239234317 has 6 divisors (see below), whose sum is σ = 278293038. Its totient is φ = 205057944.

The previous prime is 239234309. The next prime is 239234329. The reversal of 239234317 is 713432932.

It can be written as a sum of positive squares in only one way, i.e., 131469156 + 107765161 = 11466^2 + 10381^2 .

It is not a de Polignac number, because 239234317 - 2³ = 239234309 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (239234117) 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 5 ways as a sum of consecutive naturals, for example, 2441118 + ... + 2441215.

It is an arithmetic number, because the mean of its divisors is an integer number (46382173).

Almost surely, 2^239234317 is an apocalyptic number.

It is an amenable number.

239234317 is a deficient number, since it is larger than the sum of its proper divisors (39058721).

239234317 is an equidigital number, since it uses as much as digits as its factorization.

239234317 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882347 (or 4882340 counting only the distinct ones).

The product of its digits is 27216, while the sum is 34.

The square root of 239234317 is about 15467.2013305575. The cubic root of 239234317 is about 620.7849207158.

The spelling of 239234317 in words is "two hundred thirty-nine million, two hundred thirty-four thousand, three hundred seventeen".