389605938 has 32 divisors (see below), whose sum is σ = 793886400. Its totient is φ = 127438080.

The previous prime is 389605927. The next prime is 389605961. The reversal of 389605938 is 839506983.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 111238 + ... + 114686.

It is an arithmetic number, because the mean of its divisors is an integer number (24808950).

Almost surely, 2^389605938 is an apocalyptic number.

389605938 is an abundant number, since it is smaller than the sum of its proper divisors (404280462).

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

389605938 is a wasteful number, since it uses less digits than its factorization.

389605938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3802.

The product of its (nonzero) digits is 1399680, while the sum is 51.

The square root of 389605938 is about 19738.4380841038. The cubic root of 389605938 is about 730.3681998182.

The spelling of 389605938 in words is "three hundred eighty-nine million, six hundred five thousand, nine hundred thirty-eight".