Monotheistic.
it was buddhism
He was monotheistic, Egyptians were polytheistic.
1
Aton
1370?
Akhenaton
They returned to their ancient beliefs under Amenhotep's sucessor, Tutanchamon.
Amenhotep IV changed his name to Akhenaton and changed the official religion of Egypt to a monotheistic cult centered around the Aton, represented by the sun disk.
Amenhotep is not a god but rather a name associated with several pharaohs of ancient Egypt, notably Amenhotep III and Amenhotep IV (who later changed his name to Akhenaten). The name itself means "Amun is pleased." Amun, on the other hand, was a major deity in ancient Egyptian religion, often associated with creation and the sun.
It takes a lot of force over a long period of time to compel a permanent change in religion. Since Amenhotep IV's reign was short and his heirs did not continue to compel Atenism, the religion reverted to traditional Ancient Egyptian Mythology.
There were 4 Egyptian pharaohs with this name. They belonged to the 18th dynasty and their Greek name was Amenophis. Amenhotep I : ruled in the 16 century BC. He fought wars in Nubia and Libya. Amenhotep II: ruledin the 15th centuryBC. He was the son of Hatsepsut (queen) and Tuthmosis III. He fought successfully in Syria and the Middle East. Amenhotep III: ruled in the 15-14th century BC. His reign was generally peaceful ; he had many grandiuous buldings built in Thebes e.g. The Colossi of Memnon and the Luxor Temple. Amenhotep IV: he was who changed his name into Aknenaten, when he replaced religion of Amon with a monotheistic (!) religion of Aten.
He mandated worship of one god exclusively