389595136 has 120 divisors (see below), whose sum is σ = 922718720. Its totient is φ = 161021952.

The previous prime is 389595127. The next prime is 389595187. The reversal of 389595136 is 631595983.

It is a happy number.

It is a self number, because there is not a number n which added to its sum of digits gives 389595136.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 4931545 + ... + 4931623.

Almost surely, 2^389595136 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 389595136, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (461359360).

389595136 is an abundant number, since it is smaller than the sum of its proper divisors (533123584).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

389595136 is an frugal number, since it uses more digits than its factorization.

389595136 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 157 (or 131 counting only the distinct ones).

The product of its digits is 874800, while the sum is 49.

The square root of 389595136 is about 19738.1644536669. The cubic root of 389595136 is about 730.3614498268.

The spelling of 389595136 in words is "three hundred eighty-nine million, five hundred ninety-five thousand, one hundred thirty-six".