239952156 has 12 divisors (see below), whose sum is σ = 559888392. Its totient is φ = 79984048.

The previous prime is 239952143. The next prime is 239952157. The reversal of 239952156 is 651259932.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239952157) 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 3 ways as a sum of consecutive naturals, for example, 9997995 + ... + 9998018.

It is an arithmetic number, because the mean of its divisors is an integer number (46657366).

Almost surely, 2^239952156 is an apocalyptic number.

It is an amenable number.

239952156 is an abundant number, since it is smaller than the sum of its proper divisors (319936236).

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

239952156 is a wasteful number, since it uses less digits than its factorization.

239952156 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19996020 (or 19996018 counting only the distinct ones).

The product of its digits is 145800, while the sum is 42.

The square root of 239952156 is about 15490.3891494049. The cubic root of 239952156 is about 621.4052033264.

The spelling of 239952156 in words is "two hundred thirty-nine million, nine hundred fifty-two thousand, one hundred fifty-six".