389654013928 has 16 divisors (see below), whose sum is σ = 730607943780. Its totient is φ = 194825228928.

The previous prime is 389654013919. The next prime is 389654013953. The reversal of 389654013928 is 829310456983.

It can be written as a sum of positive squares in 2 ways, for example, as 351551754724 + 38102259204 = 592918^2 + 195198^2 .

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, 1443550 + ... + 1692082.

Almost surely, 2^389654013928 is an apocalyptic number.

It is an amenable number.

389654013928 is a deficient number, since it is larger than the sum of its proper divisors (340953929852).

389654013928 is a wasteful number, since it uses less digits than its factorization.

389654013928 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 444516 (or 444512 counting only the distinct ones).

The product of its (nonzero) digits is 11197440, while the sum is 58.

The spelling of 389654013928 in words is "three hundred eighty-nine billion, six hundred fifty-four million, thirteen thousand, nine hundred twenty-eight".