389078472 has 32 divisors (see below), whose sum is σ = 973720800. Its totient is φ = 129556224.

The previous prime is 389078467. The next prime is 389078497. The reversal of 389078472 is 274870983.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 16183 + ... + 32249.

It is an arithmetic number, because the mean of its divisors is an integer number (30428775).

Almost surely, 2^389078472 is an apocalyptic number.

It is an amenable number.

389078472 is an abundant number, since it is smaller than the sum of its proper divisors (584642328).

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

389078472 is a wasteful number, since it uses less digits than its factorization.

389078472 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17085 (or 17081 counting only the distinct ones).

The product of its (nonzero) digits is 677376, while the sum is 48.

The square root of 389078472 is about 19725.0721671684. The cubic root of 389078472 is about 730.0384492165.

The spelling of 389078472 in words is "three hundred eighty-nine million, seventy-eight thousand, four hundred seventy-two".