389364928 has 28 divisors (see below), whose sum is σ = 776078712. Its totient is φ = 193817600.

The previous prime is 389364919. The next prime is 389364931. The reversal of 389364928 is 829463983.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1128 + ... + 27928.

Almost surely, 2^389364928 is an apocalyptic number.

It is an amenable number.

389364928 is a deficient number, since it is larger than the sum of its proper divisors (386713784).

389364928 is a wasteful number, since it uses less digits than its factorization.

389364928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 27040 (or 27030 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 52.

The square root of 389364928 is about 19732.3320466690. The cubic root of 389364928 is about 730.2175669764.

The spelling of 389364928 in words is "three hundred eighty-nine million, three hundred sixty-four thousand, nine hundred twenty-eight".