239386172 has 6 divisors (see below), whose sum is σ = 418925808. Its totient is φ = 119693084.

The previous prime is 239386171. The next prime is 239386177. The reversal of 239386172 is 271683932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239386171) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 29923268 + ... + 29923275.

It is an arithmetic number, because the mean of its divisors is an integer number (69820968).

Almost surely, 2^239386172 is an apocalyptic number.

It is an amenable number.

239386172 is a deficient number, since it is larger than the sum of its proper divisors (179539636).

239386172 is a wasteful number, since it uses less digits than its factorization.

239386172 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 59846547 (or 59846545 counting only the distinct ones).

The product of its digits is 108864, while the sum is 41.

The square root of 239386172 is about 15472.1094877202. The cubic root of 239386172 is about 620.9162415569.

The spelling of 239386172 in words is "two hundred thirty-nine million, three hundred eighty-six thousand, one hundred seventy-two".