389183344 has 20 divisors (see below), whose sum is σ = 822592440. Its totient is φ = 176901440.

The previous prime is 389183317. The next prime is 389183387. The reversal of 389183344 is 443381983.

It is a self number, because there is not a number n which added to its sum of digits gives 389183344.

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, 1105459 + ... + 1105810.

It is an arithmetic number, because the mean of its divisors is an integer number (41129622).

Almost surely, 2^389183344 is an apocalyptic number.

It is an amenable number.

389183344 is an abundant number, since it is smaller than the sum of its proper divisors (433409096).

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

389183344 is a wasteful number, since it uses less digits than its factorization.

389183344 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2211288 (or 2211282 counting only the distinct ones).

The product of its digits is 248832, while the sum is 43.

The square root of 389183344 is about 19727.7303306792. The cubic root of 389183344 is about 730.1040347132.

The spelling of 389183344 in words is "three hundred eighty-nine million, one hundred eighty-three thousand, three hundred forty-four".