342047239 has 2 divisors, whose sum is σ = 342047240. Its totient is φ = 342047238.

The previous prime is 342047207. The next prime is 342047243. The reversal of 342047239 is 932740243.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342047239 - 2⁵ = 342047207 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342041239) 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, 171023619 + 171023620.

It is an arithmetic number, because the mean of its divisors is an integer number (171023620).

Almost surely, 2^342047239 is an apocalyptic number.

342047239 is a deficient number, since it is larger than the sum of its proper divisors (1).

342047239 is an equidigital number, since it uses as much as digits as its factorization.

342047239 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 36288, while the sum is 34.

The square root of 342047239 is about 18494.5191610920. The cubic root of 342047239 is about 699.3512622215.

The spelling of 342047239 in words is "three hundred forty-two million, forty-seven thousand, two hundred thirty-nine".