239928980 has 12 divisors (see below), whose sum is σ = 503850900. Its totient is φ = 95971584.

The previous prime is 239928971. The next prime is 239929003. The reversal of 239928980 is 89829932.

It can be written as a sum of positive squares in 2 ways, for example, as 80209936 + 159719044 = 8956^2 + 12638^2 .

It is a hoax number, since the sum of its digits (50) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5998205 + ... + 5998244.

It is an arithmetic number, because the mean of its divisors is an integer number (41987575).

Almost surely, 2^239928980 is an apocalyptic number.

239928980 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

239928980 is an abundant number, since it is smaller than the sum of its proper divisors (263921920).

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

239928980 is a wasteful number, since it uses less digits than its factorization.

239928980 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11996458 (or 11996456 counting only the distinct ones).

The product of its (nonzero) digits is 559872, while the sum is 50.

The square root of 239928980 is about 15489.6410545887. The cubic root of 239928980 is about 621.3851963510.

The spelling of 239928980 in words is "two hundred thirty-nine million, nine hundred twenty-eight thousand, nine hundred eighty".