342879 has 8 divisors (see below), whose sum is σ = 469680. Its totient is φ = 222336.

The previous prime is 342871. The next prime is 342889. The reversal of 342879 is 978243.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 342879 - 2³ = 342871 is a prime.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

342879 is a lucky number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342879.

It is not an unprimeable number, because it can be changed into a prime (342871) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1434 + ... + 1655.

It is an arithmetic number, because the mean of its divisors is an integer number (58710).

2³⁴²⁸⁷⁹ is an apocalyptic number.

342879 is a deficient number, since it is larger than the sum of its proper divisors (126801).

342879 is a wasteful number, since it uses less digits than its factorization.

342879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3129.

The product of its digits is 12096, while the sum is 33.

The square root of 342879 is about 585.5587075606. The cubic root of 342879 is about 69.9917677394.

It can be divided in two parts, 342 and 879, that added together give a palindrome (1221).

The spelling of 342879 in words is "three hundred forty-two thousand, eight hundred seventy-nine".