389439594 has 24 divisors (see below), whose sum is σ = 844274340. Its totient is φ = 129738048.

The previous prime is 389439593. The next prime is 389439613. The reversal of 389439594 is 495934983.

389439594 is a `hidden beast` number, since 3 + 8 + 9 + 43 + 9 + 594 = 666.

It can be written as a sum of positive squares in 2 ways, for example, as 388602369 + 837225 = 19713^2 + 915^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 389439594.

It is not an unprimeable number, because it can be changed into a prime (389439593) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32014 + ... + 42470.

Almost surely, 2^389439594 is an apocalyptic number.

389439594 is an abundant number, since it is smaller than the sum of its proper divisors (454834746).

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

389439594 is a wasteful number, since it uses less digits than its factorization.

389439594 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12534 (or 12531 counting only the distinct ones).

The product of its digits is 4199040, while the sum is 54.

The square root of 389439594 is about 19734.2239269752. The cubic root of 389439594 is about 730.2642403636.

The spelling of 389439594 in words is "three hundred eighty-nine million, four hundred thirty-nine thousand, five hundred ninety-four".