342239 has 2 divisors, whose sum is σ = 342240. Its totient is φ = 342238.

The previous prime is 342233. The next prime is 342241. The reversal of 342239 is 932243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342239 - 2⁸ = 341983 is a prime.

Together with 342241, it forms a pair of twin primes.

It is a Chen prime.

It is equal to p₂₉₃₆₃ and since 342239 and 29363 have the same sum of digits, it is a Honaker prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342233) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171119 + 171120.

It is an arithmetic number, because the mean of its divisors is an integer number (171120).

2³⁴²²³⁹ is an apocalyptic number.

342239 is a deficient number, since it is larger than the sum of its proper divisors (1).

342239 is an equidigital number, since it uses as much as digits as its factorization.

342239 is an evil number, because the sum of its binary digits is even.

The product of its digits is 1296, while the sum is 23.

The square root of 342239 is about 585.0119656896. The cubic root of 342239 is about 69.9481929596.

The spelling of 342239 in words is "three hundred forty-two thousand, two hundred thirty-nine".