389842316 has 12 divisors (see below), whose sum is σ = 688262232. Its totient is φ = 193195968.

The previous prime is 389842307. The next prime is 389842333. The reversal of 389842316 is 613248983.

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, 430790 + ... + 431693.

It is an arithmetic number, because the mean of its divisors is an integer number (57355186).

Almost surely, 2^389842316 is an apocalyptic number.

It is an amenable number.

389842316 is a deficient number, since it is larger than the sum of its proper divisors (298419916).

389842316 is a wasteful number, since it uses less digits than its factorization.

389842316 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 862600 (or 862598 counting only the distinct ones).

The product of its digits is 248832, while the sum is 44.

The square root of 389842316 is about 19744.4249346493. The cubic root of 389842316 is about 730.5158772999.

The spelling of 389842316 in words is "three hundred eighty-nine million, eight hundred forty-two thousand, three hundred sixteen".