342988979 has 2 divisors, whose sum is σ = 342988980. Its totient is φ = 342988978.

The previous prime is 342988973. The next prime is 342988981. The reversal of 342988979 is 979889243.

It is a strong prime.

It is an emirp because it is prime and its reverse (979889243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342988979 - 2⁴ = 342988963 is a prime.

Together with 342988981, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (342988973) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171494489 + 171494490.

It is an arithmetic number, because the mean of its divisors is an integer number (171494490).

Almost surely, 2^342988979 is an apocalyptic number.

342988979 is a deficient number, since it is larger than the sum of its proper divisors (1).

342988979 is an equidigital number, since it uses as much as digits as its factorization.

342988979 is an evil number, because the sum of its binary digits is even.

The product of its digits is 7838208, while the sum is 59.

The square root of 342988979 is about 18519.9616360294. The cubic root of 342988979 is about 699.9925026408.

The spelling of 342988979 in words is "three hundred forty-two million, nine hundred eighty-eight thousand, nine hundred seventy-nine".