239534980 has 12 divisors (see below), whose sum is σ = 503023500. Its totient is φ = 95813984.

The previous prime is 239534963. The next prime is 239534987. The reversal of 239534980 is 89435932.

It can be written as a sum of positive squares in 2 ways, for example, as 170877184 + 68657796 = 13072^2 + 8286^2 .

It is not an unprimeable number, because it can be changed into a prime (239534987) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5988355 + ... + 5988394.

It is an arithmetic number, because the mean of its divisors is an integer number (41918625).

Almost surely, 2^239534980 is an apocalyptic number.

239534980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239534980 is an abundant number, since it is smaller than the sum of its proper divisors (263488520).

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

239534980 is a wasteful number, since it uses less digits than its factorization.

239534980 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11976758 (or 11976756 counting only the distinct ones).

The product of its (nonzero) digits is 233280, while the sum is 43.

The square root of 239534980 is about 15476.9176517807. The cubic root of 239534980 is about 621.0448735555.

The spelling of 239534980 in words is "two hundred thirty-nine million, five hundred thirty-four thousand, nine hundred eighty".