339400979 has 2 divisors, whose sum is σ = 339400980. Its totient is φ = 339400978.

The previous prime is 339400973. The next prime is 339401033. The reversal of 339400979 is 979004933.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 339400979 - 2⁸ = 339400723 is a prime.

It is a super-4 number, since 4×339400979⁴ (a number of 35 digits) contains 4444 as substring.

It is not a weakly prime, because it can be changed into another prime (339400973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 169700489 + 169700490.

It is an arithmetic number, because the mean of its divisors is an integer number (169700490).

Almost surely, 2^339400979 is an apocalyptic number.

339400979 is a deficient number, since it is larger than the sum of its proper divisors (1).

339400979 is an equidigital number, since it uses as much as digits as its factorization.

339400979 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 183708, while the sum is 44.

The square root of 339400979 is about 18422.8385163633. The cubic root of 339400979 is about 697.5430729258.

The spelling of 339400979 in words is "three hundred thirty-nine million, four hundred thousand, nine hundred seventy-nine".