389026672 has 20 divisors (see below), whose sum is σ = 793410280. Its totient is φ = 184275648.

The previous prime is 389026663. The next prime is 389026697. The reversal of 389026672 is 276620983.

It is a congruent number.

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, 639543 + ... + 640150.

It is an arithmetic number, because the mean of its divisors is an integer number (39670514).

Almost surely, 2^389026672 is an apocalyptic number.

It is an amenable number.

389026672 is an abundant number, since it is smaller than the sum of its proper divisors (404383608).

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

389026672 is a wasteful number, since it uses less digits than its factorization.

389026672 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1279720 (or 1279714 counting only the distinct ones).

The product of its (nonzero) digits is 217728, while the sum is 43.

The square root of 389026672 is about 19723.7590737668. The cubic root of 389026672 is about 730.0060498654.

The spelling of 389026672 in words is "three hundred eighty-nine million, twenty-six thousand, six hundred seventy-two".