389246904 has 64 divisors (see below), whose sum is σ = 1094976000. Its totient is φ = 128100960.

The previous prime is 389246899. The next prime is 389246911. The reversal of 389246904 is 409642983.

It is a Smith number, since the sum of its digits (45) coincides with the sum of the digits of its prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 389246904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5659 + ... + 28469.

It is an arithmetic number, because the mean of its divisors is an integer number (17109000).

Almost surely, 2^389246904 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 389246904, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (547488000).

389246904 is an abundant number, since it is smaller than the sum of its proper divisors (705729096).

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

389246904 is a wasteful number, since it uses less digits than its factorization.

389246904 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 22905 (or 22895 counting only the distinct ones).

The product of its (nonzero) digits is 373248, while the sum is 45.

The square root of 389246904 is about 19729.3411952858. The cubic root of 389246904 is about 730.1437785230.

The spelling of 389246904 in words is "three hundred eighty-nine million, two hundred forty-six thousand, nine hundred four".