389636304 has 80 divisors (see below), whose sum is σ = 1024934400. Its totient is φ = 127531008.

The previous prime is 389636297. The next prime is 389636339. The reversal of 389636304 is 403636983.

It is a hoax number, since the sum of its digits (42) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

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, 952452 + ... + 952860.

It is an arithmetic number, because the mean of its divisors is an integer number (12811680).

Almost surely, 2^389636304 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 389636304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (512467200).

389636304 is an abundant number, since it is smaller than the sum of its proper divisors (635298096).

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

389636304 is a wasteful number, since it uses less digits than its factorization.

389636304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 732 (or 726 counting only the distinct ones).

The product of its (nonzero) digits is 279936, while the sum is 42.

The square root of 389636304 is about 19739.2072789157. The cubic root of 389636304 is about 730.3871743618.

The spelling of 389636304 in words is "three hundred eighty-nine million, six hundred thirty-six thousand, three hundred four".