342039479 has 2 divisors, whose sum is σ = 342039480. Its totient is φ = 342039478.

The previous prime is 342039469. The next prime is 342039487. The reversal of 342039479 is 974930243.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 342039479 - 2⁸ = 342039223 is a prime.

It is a super-3 number, since 3×342039479³ (a number of 27 digits) contains 333 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342039419) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171019739 + 171019740.

It is an arithmetic number, because the mean of its divisors is an integer number (171019740).

Almost surely, 2^342039479 is an apocalyptic number.

342039479 is a deficient number, since it is larger than the sum of its proper divisors (1).

342039479 is an equidigital number, since it uses as much as digits as its factorization.

342039479 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 163296, while the sum is 41.

The square root of 342039479 is about 18494.3093680191. The cubic root of 342039479 is about 699.3459734716.

The spelling of 342039479 in words is "three hundred forty-two million, thirty-nine thousand, four hundred seventy-nine".