389903332 has 48 divisors (see below), whose sum is σ = 884007040. Its totient is φ = 146126592.

The previous prime is 389903323. The next prime is 389903333. The reversal of 389903332 is 233309983.

It is not an unprimeable number, because it can be changed into a prime (389903333) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 21273 + ... + 35104.

Almost surely, 2^389903332 is an apocalyptic number.

It is an amenable number.

389903332 is an abundant number, since it is smaller than the sum of its proper divisors (494103708).

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

389903332 is a wasteful number, since it uses less digits than its factorization.

389903332 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56420 (or 56418 counting only the distinct ones).

The product of its (nonzero) digits is 104976, while the sum is 40.

The square root of 389903332 is about 19745.9700192216. The cubic root of 389903332 is about 730.5539874363.

The spelling of 389903332 in words is "three hundred eighty-nine million, nine hundred three thousand, three hundred thirty-two".