239991652 has 24 divisors (see below), whose sum is σ = 445665024. Its totient is φ = 112689792.

The previous prime is 239991623. The next prime is 239991671. The reversal of 239991652 is 256199932.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 29493 + ... + 36739.

It is an arithmetic number, because the mean of its divisors is an integer number (18569376).

Almost surely, 2^239991652 is an apocalyptic number.

It is an amenable number.

239991652 is a deficient number, since it is larger than the sum of its proper divisors (205673372).

239991652 is a wasteful number, since it uses less digits than its factorization.

239991652 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7755 (or 7753 counting only the distinct ones).

The product of its digits is 262440, while the sum is 46.

The square root of 239991652 is about 15491.6639519453. The cubic root of 239991652 is about 621.4392957803.

It can be divided in two parts, 23999 and 1652, that added together give a triangular number (25651 = T₂₂₆).

The spelling of 239991652 in words is "two hundred thirty-nine million, nine hundred ninety-one thousand, six hundred fifty-two".