389345612 has 12 divisors (see below), whose sum is σ = 682895976. Its totient is φ = 194232480.

The previous prime is 389345597. The next prime is 389345617. The reversal of 389345612 is 216543983.

It is a self number, because there is not a number n which added to its sum of digits gives 389345612.

It is not an unprimeable number, because it can be changed into a prime (389345617) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 108089 + ... + 111632.

It is an arithmetic number, because the mean of its divisors is an integer number (56907998).

Almost surely, 2^389345612 is an apocalyptic number.

It is an amenable number.

389345612 is a deficient number, since it is larger than the sum of its proper divisors (293550364).

389345612 is a wasteful number, since it uses less digits than its factorization.

389345612 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 220168 (or 220166 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 389345612 is about 19731.8425900877. The cubic root of 389345612 is about 730.2054916586.

The spelling of 389345612 in words is "three hundred eighty-nine million, three hundred forty-five thousand, six hundred twelve".