239696990 has 16 divisors (see below), whose sum is σ = 464643648. Its totient is φ = 88503456.

The previous prime is 239696971. The next prime is 239697019. The reversal of 239696990 is 99696932.

It is a happy number.

239696990 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 921782 + ... + 922041.

It is an arithmetic number, because the mean of its divisors is an integer number (29040228).

Almost surely, 2^239696990 is an apocalyptic number.

239696990 is a deficient number, since it is larger than the sum of its proper divisors (224946658).

239696990 is a wasteful number, since it uses less digits than its factorization.

239696990 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1843843.

The product of its (nonzero) digits is 1417176, while the sum is 53.

The square root of 239696990 is about 15482.1506903918. The cubic root of 239696990 is about 621.1848570138.

The spelling of 239696990 in words is "two hundred thirty-nine million, six hundred ninety-six thousand, nine hundred ninety".