342190439 has 2 divisors, whose sum is σ = 342190440. Its totient is φ = 342190438.

The previous prime is 342190423. The next prime is 342190441. The reversal of 342190439 is 934091243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342190439 - 2⁴ = 342190423 is a prime.

Together with 342190441, it forms a pair of twin primes.

It is a Chen prime.

It is a junction number, because it is equal to n+sod(n) for n = 342190399 and 342190408.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342190039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171095219 + 171095220.

It is an arithmetic number, because the mean of its divisors is an integer number (171095220).

Almost surely, 2^342190439 is an apocalyptic number.

342190439 is a deficient number, since it is larger than the sum of its proper divisors (1).

342190439 is an equidigital number, since it uses as much as digits as its factorization.

342190439 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 35.

The square root of 342190439 is about 18498.3901732016. The cubic root of 342190439 is about 699.4488443845.

The spelling of 342190439 in words is "three hundred forty-two million, one hundred ninety thousand, four hundred thirty-nine".