342827839 has 2 divisors, whose sum is σ = 342827840. Its totient is φ = 342827838.

The previous prime is 342827827. The next prime is 342827897. The reversal of 342827839 is 938728243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342827839 - 2⁷ = 342827711 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342827239) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171413919 + 171413920.

It is an arithmetic number, because the mean of its divisors is an integer number (171413920).

Almost surely, 2^342827839 is an apocalyptic number.

342827839 is a deficient number, since it is larger than the sum of its proper divisors (1).

342827839 is an equidigital number, since it uses as much as digits as its factorization.

342827839 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 580608, while the sum is 46.

The square root of 342827839 is about 18515.6106839607. The cubic root of 342827839 is about 699.8828640734.

The spelling of 342827839 in words is "three hundred forty-two million, eight hundred twenty-seven thousand, eight hundred thirty-nine".