239714861 has 2 divisors, whose sum is σ = 239714862. Its totient is φ = 239714860.

The previous prime is 239714851. The next prime is 239714863. The reversal of 239714861 is 168417932.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 125865961 + 113848900 = 11219^2 + 10670^2 .

It is a cyclic number.

It is not a de Polignac number, because 239714861 - 2²⁶ = 172605997 is a prime.

Together with 239714863, it forms a pair of twin primes.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (239714863) 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 as a sum of consecutive naturals, namely, 119857430 + 119857431.

It is an arithmetic number, because the mean of its divisors is an integer number (119857431).

Almost surely, 2^239714861 is an apocalyptic number.

It is an amenable number.

239714861 is a deficient number, since it is larger than the sum of its proper divisors (1).

239714861 is an equidigital number, since it uses as much as digits as its factorization.

239714861 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 72576, while the sum is 41.

The square root of 239714861 is about 15482.7278281316. The cubic root of 239714861 is about 621.2002944469.

The spelling of 239714861 in words is "two hundred thirty-nine million, seven hundred fourteen thousand, eight hundred sixty-one".