389525427 has 12 divisors (see below), whose sum is σ = 563188080. Its totient is φ = 259434288.

The previous prime is 389525393. The next prime is 389525431. The reversal of 389525427 is 724525983.

389525427 is a `hidden beast` number, since 3 + 89 + 525 + 42 + 7 = 666.

It is not a de Polignac number, because 389525427 - 2¹⁰ = 389524403 is a prime.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is not an unprimeable number, because it can be changed into a prime (389525467) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 10623 + ... + 29864.

It is an arithmetic number, because the mean of its divisors is an integer number (46932340).

Almost surely, 2^389525427 is an apocalyptic number.

389525427 is a deficient number, since it is larger than the sum of its proper divisors (173662653).

389525427 is a wasteful number, since it uses less digits than its factorization.

389525427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 41562 (or 41559 counting only the distinct ones).

The product of its digits is 604800, while the sum is 45.

The square root of 389525427 is about 19736.3985316471. The cubic root of 389525427 is about 730.3178868230.

The spelling of 389525427 in words is "three hundred eighty-nine million, five hundred twenty-five thousand, four hundred twenty-seven".