389135912 has 16 divisors (see below), whose sum is σ = 795960000. Its totient is φ = 176879920.

The previous prime is 389135867. The next prime is 389135927. The reversal of 389135912 is 219531983.

It is a self number, because there is not a number n which added to its sum of digits gives 389135912.

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, 2210912 + ... + 2211087.

It is an arithmetic number, because the mean of its divisors is an integer number (49747500).

Almost surely, 2^389135912 is an apocalyptic number.

It is an amenable number.

389135912 is an abundant number, since it is smaller than the sum of its proper divisors (406824088).

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

389135912 is a wasteful number, since it uses less digits than its factorization.

389135912 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4422016 (or 4422012 counting only the distinct ones).

The product of its digits is 58320, while the sum is 41.

The square root of 389135912 is about 19726.5281283859. The cubic root of 389135912 is about 730.0743728567.

The spelling of 389135912 in words is "three hundred eighty-nine million, one hundred thirty-five thousand, nine hundred twelve".