239879742 has 32 divisors (see below), whose sum is σ = 506269440. Its totient is φ = 75620160.

The previous prime is 239879737. The next prime is 239879771. The reversal of 239879742 is 247978932.

239879742 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 an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2517 + ... + 22047.

It is an arithmetic number, because the mean of its divisors is an integer number (15820920).

Almost surely, 2^239879742 is an apocalyptic number.

239879742 is an abundant number, since it is smaller than the sum of its proper divisors (266389698).

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

239879742 is a wasteful number, since it uses less digits than its factorization.

239879742 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19648.

The product of its digits is 1524096, while the sum is 51.

The square root of 239879742 is about 15488.0515882405. The cubic root of 239879742 is about 621.3426867474.

The spelling of 239879742 in words is "two hundred thirty-nine million, eight hundred seventy-nine thousand, seven hundred forty-two".