239088973 has 2 divisors, whose sum is σ = 239088974. Its totient is φ = 239088972.

The previous prime is 239088961. The next prime is 239089043. The reversal of 239088973 is 379880932.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 238795209 + 293764 = 15453^2 + 542^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-239088973 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239088373) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 119544486 + 119544487.

It is an arithmetic number, because the mean of its divisors is an integer number (119544487).

Almost surely, 2^239088973 is an apocalyptic number.

It is an amenable number.

239088973 is a deficient number, since it is larger than the sum of its proper divisors (1).

239088973 is an equidigital number, since it uses as much as digits as its factorization.

239088973 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 653184, while the sum is 49.

The square root of 239088973 is about 15462.5021584477. The cubic root of 239088973 is about 620.6591783850.

The spelling of 239088973 in words is "two hundred thirty-nine million, eighty-eight thousand, nine hundred seventy-three".