389105025 has 48 divisors (see below), whose sum is σ = 671052288. Its totient is φ = 198720000.

The previous prime is 389105023. The next prime is 389105029. The reversal of 389105025 is 520501983.

It is not a de Polignac number, because 389105025 - 2¹ = 389105023 is a prime.

It is a hoax number, since the sum of its digits (33) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (389105023) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 233997 + ... + 235653.

It is an arithmetic number, because the mean of its divisors is an integer number (13980256).

Almost surely, 2^389105025 is an apocalyptic number.

It is an amenable number.

389105025 is a deficient number, since it is larger than the sum of its proper divisors (281947263).

389105025 is a wasteful number, since it uses less digits than its factorization.

389105025 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1802 (or 1797 counting only the distinct ones).

The product of its (nonzero) digits is 10800, while the sum is 33.

The square root of 389105025 is about 19725.7452330704. The cubic root of 389105025 is about 730.0550562091.

The spelling of 389105025 in words is "three hundred eighty-nine million, one hundred five thousand, twenty-five".