239880564 has 108 divisors (see below), whose sum is σ = 761811232. Its totient is φ = 62298720.

The previous prime is 239880539. The next prime is 239880623. The reversal of 239880564 is 465088932.

239880564 is a `hidden beast` number, since 2 + 3 + 9 + 8 + 80 + 564 = 666.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 35 ways as a sum of consecutive naturals, for example, 26559 + ... + 34425.

Almost surely, 2^239880564 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 239880564, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (380905616).

239880564 is an abundant number, since it is smaller than the sum of its proper divisors (521930668).

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

239880564 is a wasteful number, since it uses less digits than its factorization.

239880564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7906 (or 7890 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 45.

The square root of 239880564 is about 15488.0781248030. The cubic root of 239880564 is about 621.3433964684.

The spelling of 239880564 in words is "two hundred thirty-nine million, eight hundred eighty thousand, five hundred sixty-four".