339972907 has 2 divisors, whose sum is σ = 339972908. Its totient is φ = 339972906.

The previous prime is 339972889. The next prime is 339972923. The reversal of 339972907 is 709279933.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-339972907 is a prime.

It is not a weakly prime, because it can be changed into another prime (339972937) 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, 169986453 + 169986454.

It is an arithmetic number, because the mean of its divisors is an integer number (169986454).

Almost surely, 2^339972907 is an apocalyptic number.

339972907 is a deficient number, since it is larger than the sum of its proper divisors (1).

339972907 is an equidigital number, since it uses as much as digits as its factorization.

339972907 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 642978, while the sum is 49.

The square root of 339972907 is about 18438.3542378380. The cubic root of 339972907 is about 697.9346653296.

The spelling of 339972907 in words is "three hundred thirty-nine million, nine hundred seventy-two thousand, nine hundred seven".