330439979 has 2 divisors, whose sum is σ = 330439980. Its totient is φ = 330439978.

The previous prime is 330439973. The next prime is 330440023. The reversal of 330439979 is 979934033.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 330439979 - 2²⁴ = 313662763 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (330439973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 165219989 + 165219990.

It is an arithmetic number, because the mean of its divisors is an integer number (165219990).

Almost surely, 2^330439979 is an apocalyptic number.

330439979 is a deficient number, since it is larger than the sum of its proper divisors (1).

330439979 is an equidigital number, since it uses as much as digits as its factorization.

330439979 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 551124, while the sum is 47.

The square root of 330439979 is about 18178.0081142022. The cubic root of 330439979 is about 691.3493018758.

The spelling of 330439979 in words is "three hundred thirty million, four hundred thirty-nine thousand, nine hundred seventy-nine".