342679 has 2 divisors, whose sum is σ = 342680. Its totient is φ = 342678.

The previous prime is 342673. The next prime is 342691. The reversal of 342679 is 976243.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 342679 - 2⁵ = 342647 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 342679.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (342673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 171339 + 171340.

It is an arithmetic number, because the mean of its divisors is an integer number (171340).

2³⁴²⁶⁷⁹ is an apocalyptic number.

342679 is a deficient number, since it is larger than the sum of its proper divisors (1).

342679 is an equidigital number, since it uses as much as digits as its factorization.

342679 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 9072, while the sum is 31.

The square root of 342679 is about 585.3879055806. The cubic root of 342679 is about 69.9781564497.

The spelling of 342679 in words is "three hundred forty-two thousand, six hundred seventy-nine".