389745024 has 64 divisors (see below), whose sum is σ = 1089768000. Its totient is φ = 123075072.

The previous prime is 389745017. The next prime is 389745049. The reversal of 389745024 is 420547983.

It is a tau number, because it is divible by the number of its divisors (64).

It is a congruent number.

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, 19414 + ... + 34005.

It is an arithmetic number, because the mean of its divisors is an integer number (17027625).

Almost surely, 2^389745024 is an apocalyptic number.

It is an amenable number.

389745024 is an abundant number, since it is smaller than the sum of its proper divisors (700022976).

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

389745024 is a wasteful number, since it uses less digits than its factorization.

389745024 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 53455 (or 53443 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 389745024 is about 19741.9609968210. The cubic root of 389745024 is about 730.4551012193.

The spelling of 389745024 in words is "three hundred eighty-nine million, seven hundred forty-five thousand, twenty-four".