389973044 has 12 divisors (see below), whose sum is σ = 700897764. Its totient is φ = 189716544.

The previous prime is 389973037. The next prime is 389973049. The reversal of 389973044 is 440379983.

It can be written as a sum of positive squares in 2 ways, for example, as 341140900 + 48832144 = 18470^2 + 6988^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389973044.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389973049) 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, 1317329 + ... + 1317624.

It is an arithmetic number, because the mean of its divisors is an integer number (58408147).

Almost surely, 2^389973044 is an apocalyptic number.

It is an amenable number.

389973044 is a deficient number, since it is larger than the sum of its proper divisors (310924720).

389973044 is a wasteful number, since it uses less digits than its factorization.

389973044 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2634994 (or 2634992 counting only the distinct ones).

The product of its (nonzero) digits is 653184, while the sum is 47.

The square root of 389973044 is about 19747.7351612786. The cubic root of 389973044 is about 730.5975241632.

The spelling of 389973044 in words is "three hundred eighty-nine million, nine hundred seventy-three thousand, forty-four".