239479764 has 24 divisors (see below), whose sum is σ = 562810080. Its totient is φ = 79251744.

The previous prime is 239479753. The next prime is 239479769. The reversal of 239479764 is 467974932.

239479764 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239479769) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 70119 + ... + 73454.

It is an arithmetic number, because the mean of its divisors is an integer number (23450420).

Almost surely, 2^239479764 is an apocalyptic number.

It is an amenable number.

239479764 is an abundant number, since it is smaller than the sum of its proper divisors (323330316).

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

239479764 is a wasteful number, since it uses less digits than its factorization.

239479764 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 143719 (or 143717 counting only the distinct ones).

The product of its digits is 2286144, while the sum is 51.

The square root of 239479764 is about 15475.1337312477. The cubic root of 239479764 is about 620.9971501862.

The spelling of 239479764 in words is "two hundred thirty-nine million, four hundred seventy-nine thousand, seven hundred sixty-four".