342446399 has 2 divisors, whose sum is σ = 342446400. Its totient is φ = 342446398.

The previous prime is 342446339. The next prime is 342446441. The reversal of 342446399 is 993644243.

It is a strong prime.

It is an emirp because it is prime and its reverse (993644243) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 342446399 - 2²⁸ = 74010943 is a prime.

It is a Sophie Germain prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342446339) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171223199 + 171223200.

It is an arithmetic number, because the mean of its divisors is an integer number (171223200).

Almost surely, 2^342446399 is an apocalyptic number.

342446399 is a deficient number, since it is larger than the sum of its proper divisors (1).

342446399 is an equidigital number, since it uses as much as digits as its factorization.

342446399 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 559872, while the sum is 44.

The square root of 342446399 is about 18505.3073197934. The cubic root of 342446399 is about 699.6231978883.

The spelling of 342446399 in words is "three hundred forty-two million, four hundred forty-six thousand, three hundred ninety-nine".