239199252 has 12 divisors (see below), whose sum is σ = 558131616. Its totient is φ = 79733080.

The previous prime is 239199211. The next prime is 239199263. The reversal of 239199252 is 252991932.

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

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 9966624 + ... + 9966647.

It is an arithmetic number, because the mean of its divisors is an integer number (46510968).

Almost surely, 2^239199252 is an apocalyptic number.

It is an amenable number.

239199252 is an abundant number, since it is smaller than the sum of its proper divisors (318932364).

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

239199252 is a wasteful number, since it uses less digits than its factorization.

239199252 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 19933278 (or 19933276 counting only the distinct ones).

The product of its digits is 87480, while the sum is 42.

The square root of 239199252 is about 15466.0677613930. The cubic root of 239199252 is about 620.7545893833.

The spelling of 239199252 in words is "two hundred thirty-nine million, one hundred ninety-nine thousand, two hundred fifty-two".