389037664 has 24 divisors (see below), whose sum is σ = 766863720. Its totient is φ = 194278656.

The previous prime is 389037653. The next prime is 389037751. The reversal of 389037664 is 466730983.

It is a Smith number, since the sum of its digits (46) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20412 + ... + 34564.

It is an arithmetic number, because the mean of its divisors is an integer number (31952655).

Almost surely, 2^389037664 is an apocalyptic number.

It is an amenable number.

389037664 is a deficient number, since it is larger than the sum of its proper divisors (377826056).

389037664 is a wasteful number, since it uses less digits than its factorization.

389037664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 15022 (or 15014 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 46.

The square root of 389037664 is about 19724.0377205074. The cubic root of 389037664 is about 730.0129252731.

The spelling of 389037664 in words is "three hundred eighty-nine million, thirty-seven thousand, six hundred sixty-four".