239984040 has 32 divisors (see below), whose sum is σ = 719952480. Its totient is φ = 63995712.

The previous prime is 239984039. The next prime is 239984057. The reversal of 239984040 is 40489932.

It is a self number, because there is not a number n which added to its sum of digits gives 239984040.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 999814 + ... + 1000053.

It is an arithmetic number, because the mean of its divisors is an integer number (22498515).

Almost surely, 2^239984040 is an apocalyptic number.

239984040 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239984040 is an abundant number, since it is smaller than the sum of its proper divisors (479968440).

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

239984040 is a wasteful number, since it uses less digits than its factorization.

239984040 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1999881 (or 1999877 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 239984040 is about 15491.4182694807. The cubic root of 239984040 is about 621.4327254880.

The spelling of 239984040 in words is "two hundred thirty-nine million, nine hundred eighty-four thousand, forty".