239316940 has 12 divisors (see below), whose sum is σ = 502565616. Its totient is φ = 95726768.

The previous prime is 239316923. The next prime is 239316947. The reversal of 239316940 is 49613932.

It is a self number, because there is not a number n which added to its sum of digits gives 239316940.

It is not an unprimeable number, because it can be changed into a prime (239316947) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5982904 + ... + 5982943.

It is an arithmetic number, because the mean of its divisors is an integer number (41880468).

Almost surely, 2^239316940 is an apocalyptic number.

239316940 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239316940 is an abundant number, since it is smaller than the sum of its proper divisors (263248676).

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

239316940 is a wasteful number, since it uses less digits than its factorization.

239316940 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11965856 (or 11965854 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 37.

The square root of 239316940 is about 15469.8720098131. The cubic root of 239316940 is about 620.8563781465.

It can be divided in two parts, 2393169 and 40, that added together give a square (2393209 = 1547²).

The spelling of 239316940 in words is "two hundred thirty-nine million, three hundred sixteen thousand, nine hundred forty".