389256488 has 16 divisors (see below), whose sum is σ = 730080000. Its totient is φ = 194568496.

The previous prime is 389256487. The next prime is 389256499. The reversal of 389256488 is 884652983.

It is a super-2 number, since 2×389256488² = 303041226900188288, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (389256487) 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, 33323 + ... + 43461.

It is an arithmetic number, because the mean of its divisors is an integer number (45630000).

Almost surely, 2^389256488 is an apocalyptic number.

It is an amenable number.

389256488 is a deficient number, since it is larger than the sum of its proper divisors (340823512).

389256488 is a wasteful number, since it uses less digits than its factorization.

389256488 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14944 (or 14940 counting only the distinct ones).

The product of its digits is 3317760, while the sum is 53.

The square root of 389256488 is about 19729.5840807656. The cubic root of 389256488 is about 730.1497709839.

The spelling of 389256488 in words is "three hundred eighty-nine million, two hundred fifty-six thousand, four hundred eighty-eight".