239568906 has 16 divisors (see below), whose sum is σ = 479872800. Its totient is φ = 79733808.

The previous prime is 239568893. The next prime is 239568907. The reversal of 239568906 is 609865932.

It is not an unprimeable number, because it can be changed into a prime (239568907) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 26341 + ... + 34248.

It is an arithmetic number, because the mean of its divisors is an integer number (29992050).

Almost surely, 2^239568906 is an apocalyptic number.

239568906 is an abundant number, since it is smaller than the sum of its proper divisors (240303894).

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

239568906 is a wasteful number, since it uses less digits than its factorization.

239568906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 61253.

The product of its (nonzero) digits is 699840, while the sum is 48.

The square root of 239568906 is about 15478.0136322462. The cubic root of 239568906 is about 621.0741922710.

The spelling of 239568906 in words is "two hundred thirty-nine million, five hundred sixty-eight thousand, nine hundred six".