239688816 has 20 divisors (see below), whose sum is σ = 619196232. Its totient is φ = 79896256.

The previous prime is 239688803. The next prime is 239688817. The reversal of 239688816 is 618886932.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239688817) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 2496711 + ... + 2496806.

Almost surely, 2^239688816 is an apocalyptic number.

It is an amenable number.

239688816 is an abundant number, since it is smaller than the sum of its proper divisors (379507416).

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

239688816 is a wasteful number, since it uses less digits than its factorization.

239688816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4993528 (or 4993522 counting only the distinct ones).

The product of its digits is 995328, while the sum is 51.

The square root of 239688816 is about 15481.8867067293. The cubic root of 239688816 is about 621.1777958450.

The spelling of 239688816 in words is "two hundred thirty-nine million, six hundred eighty-eight thousand, eight hundred sixteen".