389160625 has 20 divisors (see below), whose sum is σ = 555772096. Its totient is φ = 266850000.

The previous prime is 389160623. The next prime is 389160631. The reversal of 389160625 is 526061983.

It is not a de Polignac number, because 389160625 - 2¹ = 389160623 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (389160623) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 40101 + ... + 48850.

Almost surely, 2^389160625 is an apocalyptic number.

389160625 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

It is an amenable number.

389160625 is a deficient number, since it is larger than the sum of its proper divisors (166611471).

389160625 is an frugal number, since it uses more digits than its factorization.

389160625 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 88978 (or 88963 counting only the distinct ones).

The product of its (nonzero) digits is 77760, while the sum is 40.

The square root of 389160625 is about 19727.1545084434. The cubic root of 389160625 is about 730.0898275650.

It can be divided in two parts, 3891 and 60625, that added together give a square (64516 = 254²).

The spelling of 389160625 in words is "three hundred eighty-nine million, one hundred sixty thousand, six hundred twenty-five".