389684120 has 32 divisors (see below), whose sum is σ = 1002045600. Its totient is φ = 133605888.

The previous prime is 389684093. The next prime is 389684153. The reversal of 389684120 is 21486983.

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, 695585 + ... + 696144.

It is an arithmetic number, because the mean of its divisors is an integer number (31313925).

Almost surely, 2^389684120 is an apocalyptic number.

It is an amenable number.

389684120 is an abundant number, since it is smaller than the sum of its proper divisors (612361480).

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

389684120 is a wasteful number, since it uses less digits than its factorization.

389684120 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391747 (or 1391743 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 41.

The square root of 389684120 is about 19740.4184352815. The cubic root of 389684120 is about 730.4170507399.

The spelling of 389684120 in words is "three hundred eighty-nine million, six hundred eighty-four thousand, one hundred twenty".