389136425 has 24 divisors (see below), whose sum is σ = 506425920. Its totient is φ = 296049600.

The previous prime is 389136421. The next prime is 389136427. The reversal of 389136425 is 524631983.

It is not a de Polignac number, because 389136425 - 2² = 389136421 is a prime.

It is not an unprimeable number, because it can be changed into a prime (389136421) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 102206 + ... + 105944.

It is an arithmetic number, because the mean of its divisors is an integer number (21101080).

Almost surely, 2^389136425 is an apocalyptic number.

It is an amenable number.

389136425 is a deficient number, since it is larger than the sum of its proper divisors (117289495).

389136425 is a wasteful number, since it uses less digits than its factorization.

389136425 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3953 (or 3948 counting only the distinct ones).

The product of its digits is 155520, while the sum is 41.

The square root of 389136425 is about 19726.5411311765. The cubic root of 389136425 is about 730.0746936769.

The spelling of 389136425 in words is "three hundred eighty-nine million, one hundred thirty-six thousand, four hundred twenty-five".