239928984 has 48 divisors (see below), whose sum is σ = 663642720. Its totient is φ = 78273600.

The previous prime is 239928971. The next prime is 239929003. The reversal of 239928984 is 489829932.

It is a happy number.

239928984 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 239928984.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 32067 + ... + 38834.

It is an arithmetic number, because the mean of its divisors is an integer number (13825890).

Almost surely, 2^239928984 is an apocalyptic number.

239928984 is a gapful number since it is divisible by the number (24) formed by its first and last digit.

It is an amenable number.

239928984 is an abundant number, since it is smaller than the sum of its proper divisors (423713736).

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

239928984 is a wasteful number, since it uses less digits than its factorization.

239928984 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70960 (or 70953 counting only the distinct ones).

The product of its digits is 2239488, while the sum is 54.

The square root of 239928984 is about 15489.6411837073. The cubic root of 239928984 is about 621.3851998041.

The spelling of 239928984 in words is "two hundred thirty-nine million, nine hundred twenty-eight thousand, nine hundred eighty-four".