902399232 has 144 divisors (see below), whose sum is σ = 2760544640. Its totient is φ = 256352256.

The previous prime is 902399221. The next prime is 902399233. The reversal of 902399232 is 232993209.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (902399233) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1230738 + ... + 1231470.

Almost surely, 2^902399232 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 902399232, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1380272320).

902399232 is an abundant number, since it is smaller than the sum of its proper divisors (1858145408).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

902399232 is a wasteful number, since it uses less digits than its factorization.

902399232 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 988 (or 974 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 39.

The square root of 902399232 is about 30039.9605858596. The cubic root of 902399232 is about 966.3465615233.

The spelling of 902399232 in words is "nine hundred two million, three hundred ninety-nine thousand, two hundred thirty-two".