342494447 has 2 divisors, whose sum is σ = 342494448. Its totient is φ = 342494446.

The previous prime is 342494413. The next prime is 342494473. The reversal of 342494447 is 744494243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342494447 - 2¹⁴ = 342478063 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342494947) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171247223 + 171247224.

It is an arithmetic number, because the mean of its divisors is an integer number (171247224).

Almost surely, 2^342494447 is an apocalyptic number.

342494447 is a deficient number, since it is larger than the sum of its proper divisors (1).

342494447 is an equidigital number, since it uses as much as digits as its factorization.

342494447 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 387072, while the sum is 41.

The square root of 342494447 is about 18506.6054964167. The cubic root of 342494447 is about 699.6559172895.

The spelling of 342494447 in words is "three hundred forty-two million, four hundred ninety-four thousand, four hundred forty-seven".