239985464 has 64 divisors (see below), whose sum is σ = 492791040. Its totient is φ = 109117440.

The previous prime is 239985457. The next prime is 239985497. The reversal of 239985464 is 464589932.

Its product of digits (1866240) is a multiple of the sum of its prime factors (480).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1076057 + ... + 1076279.

It is an arithmetic number, because the mean of its divisors is an integer number (7699860).

Almost surely, 2^239985464 is an apocalyptic number.

It is an amenable number.

239985464 is an abundant number, since it is smaller than the sum of its proper divisors (252805576).

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

239985464 is a wasteful number, since it uses less digits than its factorization.

239985464 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 480 (or 476 counting only the distinct ones).

The product of its digits is 1866240, while the sum is 50.

The square root of 239985464 is about 15491.4642303431. The cubic root of 239985464 is about 621.4339546231.

The spelling of 239985464 in words is "two hundred thirty-nine million, nine hundred eighty-five thousand, four hundred sixty-four".