239839984 has 10 divisors (see below), whose sum is σ = 464690000. Its totient is φ = 119919984.

The previous prime is 239839979. The next prime is 239839987. The reversal of 239839984 is 489938932.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239839987) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 7494984 + ... + 7495015.

It is an arithmetic number, because the mean of its divisors is an integer number (46469000).

Almost surely, 2^239839984 is an apocalyptic number.

It is an amenable number.

239839984 is a deficient number, since it is larger than the sum of its proper divisors (224850016).

239839984 is a wasteful number, since it uses less digits than its factorization.

239839984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14990007 (or 14990001 counting only the distinct ones).

The product of its digits is 3359232, while the sum is 55.

The square root of 239839984 is about 15486.7680295147. The cubic root of 239839984 is about 621.3083574521.

The spelling of 239839984 in words is "two hundred thirty-nine million, eight hundred thirty-nine thousand, nine hundred eighty-four".