239231937 has 8 divisors (see below), whose sum is σ = 364543936. Its totient is φ = 136703952.

The previous prime is 239231891. The next prime is 239231953. The reversal of 239231937 is 739132932.

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

It is not a de Polignac number, because 239231937 - 2¹⁰ = 239230913 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 239231895 and 239231904.

It is not an unprimeable number, because it can be changed into a prime (239231957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5695978 + ... + 5696019.

It is an arithmetic number, because the mean of its divisors is an integer number (45567992).

Almost surely, 2^239231937 is an apocalyptic number.

It is an amenable number.

239231937 is a deficient number, since it is larger than the sum of its proper divisors (125311999).

239231937 is a wasteful number, since it uses less digits than its factorization.

239231937 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11392007.

The product of its digits is 61236, while the sum is 39.

The square root of 239231937 is about 15467.1243933706. The cubic root of 239231937 is about 620.7828621022.

The spelling of 239231937 in words is "two hundred thirty-nine million, two hundred thirty-one thousand, nine hundred thirty-seven".