number9Pronunciation of the number 9. 9 (nine) is the Arabic number which comes after 8 and before 10. It is an odd number, and is the hhest single-dit number. It is also a square number. In RomanDiscover the fascinating world of the number 9! Explore its meanings, facts, relious snificance, angel number interpretations, and appearances in arts and literature. Dive into the magic of nine!