239855664 has 40 divisors (see below), whose sum is σ = 632816640. Its totient is φ = 78250048.

The previous prime is 239855663. The next prime is 239855701. The reversal of 239855664 is 466558932.

239855664 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (239855663) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 50904 + ... + 55415.

It is an arithmetic number, because the mean of its divisors is an integer number (15820416).

Almost surely, 2^239855664 is an apocalyptic number.

239855664 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

239855664 is an abundant number, since it is smaller than the sum of its proper divisors (392960976).

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

239855664 is a wasteful number, since it uses less digits than its factorization.

239855664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106377 (or 106371 counting only the distinct ones).

The product of its digits is 1555200, while the sum is 48.

The square root of 239855664 is about 15487.2742598561. The cubic root of 239855664 is about 621.3218968998.

The spelling of 239855664 in words is "two hundred thirty-nine million, eight hundred fifty-five thousand, six hundred sixty-four".