389358128 has 20 divisors (see below), whose sum is σ = 761708688. Its totient is φ = 192788160.

The previous prime is 389358121. The next prime is 389358133. The reversal of 389358128 is 821853983.

It is not an unprimeable number, because it can be changed into a prime (389358121) 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, 116483 + ... + 119778.

Almost surely, 2^389358128 is an apocalyptic number.

It is an amenable number.

389358128 is a deficient number, since it is larger than the sum of its proper divisors (372350560).

389358128 is a wasteful number, since it uses less digits than its factorization.

389358128 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 236372 (or 236366 counting only the distinct ones).

The product of its digits is 414720, while the sum is 47.

The square root of 389358128 is about 19732.1597398764. The cubic root of 389358128 is about 730.2133160300.

The spelling of 389358128 in words is "three hundred eighty-nine million, three hundred fifty-eight thousand, one hundred twenty-eight".