342204391 has 2 divisors, whose sum is σ = 342204392. Its totient is φ = 342204390.

The previous prime is 342204367. The next prime is 342204403. The reversal of 342204391 is 193402243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342204391 - 2⁹ = 342203879 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342204311) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171102195 + 171102196.

It is an arithmetic number, because the mean of its divisors is an integer number (171102196).

Almost surely, 2^342204391 is an apocalyptic number.

342204391 is a deficient number, since it is larger than the sum of its proper divisors (1).

342204391 is an equidigital number, since it uses as much as digits as its factorization.

342204391 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5184, while the sum is 28.

The square root of 342204391 is about 18498.7672832543. The cubic root of 342204391 is about 699.4583503754.

The spelling of 342204391 in words is "three hundred forty-two million, two hundred four thousand, three hundred ninety-one".