Exodus 1:8-9

1:8 Then a new king, who did not know about Joseph, came to power over Egypt. 1:9 He said to his people, “Look at the Israelite people, more numerous and stronger than we are!

Exodus 12:37

12:37 The Israelites journeyed from Rameses to Sukkoth. There were about 600,000 men on foot, plus their dependants.