239961216 has 64 divisors (see below), whose sum is σ = 695354400. Its totient is φ = 72714240.

The previous prime is 239961193. The next prime is 239961221. The reversal of 239961216 is 612169932.

It is a tau number, because it is divible by the number of its divisors (64).

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, 24181 + ... + 32628.

Almost surely, 2^239961216 is an apocalyptic number.

It is an amenable number.

239961216 is an abundant number, since it is smaller than the sum of its proper divisors (455393184).

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

239961216 is a wasteful number, since it uses less digits than its factorization.

239961216 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56837 (or 56825 counting only the distinct ones).

The product of its digits is 34992, while the sum is 39.

The square root of 239961216 is about 15490.6815860375. The cubic root of 239961216 is about 621.4130241359.

The spelling of 239961216 in words is "two hundred thirty-nine million, nine hundred sixty-one thousand, two hundred sixteen".