342708449 has 2 divisors, whose sum is σ = 342708450. Its totient is φ = 342708448.

The previous prime is 342708437. The next prime is 342708451. The reversal of 342708449 is 944807243.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 338008225 + 4700224 = 18385^2 + 2168^2 .

It is a cyclic number.

It is not a de Polignac number, because 342708449 - 2²⁴ = 325931233 is a prime.

Together with 342708451, 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 (342708479) 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, 171354224 + 171354225.

It is an arithmetic number, because the mean of its divisors is an integer number (171354225).

Almost surely, 2^342708449 is an apocalyptic number.

It is an amenable number.

342708449 is a deficient number, since it is larger than the sum of its proper divisors (1).

342708449 is an equidigital number, since it uses as much as digits as its factorization.

342708449 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 193536, while the sum is 41.

The square root of 342708449 is about 18512.3863669706. The cubic root of 342708449 is about 699.8016097650.

The spelling of 342708449 in words is "three hundred forty-two million, seven hundred eight thousand, four hundred forty-nine".