389974120 has 16 divisors (see below), whose sum is σ = 877441860. Its totient is φ = 155989632.

The previous prime is 389974097. The next prime is 389974121. The reversal of 389974120 is 21479983.

It can be written as a sum of positive squares in 2 ways, for example, as 367335556 + 22638564 = 19166^2 + 4758^2 .

It is not an unprimeable number, because it can be changed into a prime (389974121) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4874637 + ... + 4874716.

Almost surely, 2^389974120 is an apocalyptic number.

It is an amenable number.

389974120 is an abundant number, since it is smaller than the sum of its proper divisors (487467740).

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

389974120 is a wasteful number, since it uses less digits than its factorization.

389974120 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9749364 (or 9749360 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 389974120 is about 19747.7624048903. The cubic root of 389974120 is about 730.5981961090.

The spelling of 389974120 in words is "three hundred eighty-nine million, nine hundred seventy-four thousand, one hundred twenty".