389169957 has 16 divisors (see below), whose sum is σ = 574041600. Its totient is φ = 232537200.

The previous prime is 389169941. The next prime is 389169961. The reversal of 389169957 is 759961983.

It is not a de Polignac number, because 389169957 - 2⁴ = 389169941 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 389169897 and 389169906.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (389169857) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 80707 + ... + 85392.

It is an arithmetic number, because the mean of its divisors is an integer number (35877600).

Almost surely, 2^389169957 is an apocalyptic number.

It is an amenable number.

389169957 is a deficient number, since it is larger than the sum of its proper divisors (184871643).

389169957 is a wasteful number, since it uses less digits than its factorization.

389169957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 166184.

The product of its digits is 3674160, while the sum is 57.

The square root of 389169957 is about 19727.3910337885. The cubic root of 389169957 is about 730.0956633248.

The spelling of 389169957 in words is "three hundred eighty-nine million, one hundred sixty-nine thousand, nine hundred fifty-seven".