239666942 has 8 divisors (see below), whose sum is σ = 359570232. Its totient is φ = 119810200.

The previous prime is 239666939. The next prime is 239666953. The reversal of 239666942 is 249666932.

It is a sphenic number, since it is the product of 3 distinct primes.

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, 7592 + ... + 23172.

It is an arithmetic number, because the mean of its divisors is an integer number (44946279).

Almost surely, 2^239666942 is an apocalyptic number.

239666942 is a deficient number, since it is larger than the sum of its proper divisors (119903290).

239666942 is a wasteful number, since it uses less digits than its factorization.

239666942 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 23274.

The product of its digits is 839808, while the sum is 47.

The square root of 239666942 is about 15481.1802521642. The cubic root of 239666942 is about 621.1588990428.

The spelling of 239666942 in words is "two hundred thirty-nine million, six hundred sixty-six thousand, nine hundred forty-two".