344398979 has 2 divisors, whose sum is σ = 344398980. Its totient is φ = 344398978.

The previous prime is 344398973. The next prime is 344398993. The reversal of 344398979 is 979893443.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 344398979 - 2⁴ = 344398963 is a prime.

It is a super-2 number, since 2×344398979² = 237221313472484882, which contains 22 as substring.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (344398973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 172199489 + 172199490.

It is an arithmetic number, because the mean of its divisors is an integer number (172199490).

Almost surely, 2^344398979 is an apocalyptic number.

344398979 is a deficient number, since it is larger than the sum of its proper divisors (1).

344398979 is an equidigital number, since it uses as much as digits as its factorization.

344398979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5878656, while the sum is 56.

The square root of 344398979 is about 18557.9896271121. The cubic root of 344398979 is about 700.9503954513.

The spelling of 344398979 in words is "three hundred forty-four million, three hundred ninety-eight thousand, nine hundred seventy-nine".