339812857 has 2 divisors, whose sum is σ = 339812858. Its totient is φ = 339812856.

The previous prime is 339812849. The next prime is 339812897. The reversal of 339812857 is 758218933.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 184660921 + 155151936 = 13589^2 + 12456^2 .

It is a cyclic number.

It is not a de Polignac number, because 339812857 - 2³ = 339812849 is a prime.

It is not a weakly prime, because it can be changed into another prime (339812897) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169906428 + 169906429.

It is an arithmetic number, because the mean of its divisors is an integer number (169906429).

Almost surely, 2^339812857 is an apocalyptic number.

It is an amenable number.

339812857 is a deficient number, since it is larger than the sum of its proper divisors (1).

339812857 is an equidigital number, since it uses as much as digits as its factorization.

339812857 is an evil number, because the sum of its binary digits is even.

The product of its digits is 362880, while the sum is 46.

The square root of 339812857 is about 18434.0135890153. The cubic root of 339812857 is about 697.8251252510.

The spelling of 339812857 in words is "three hundred thirty-nine million, eight hundred twelve thousand, eight hundred fifty-seven".