346879 has 4 divisors (see below), whose sum is σ = 373576. Its totient is φ = 320184.

The previous prime is 346877. The next prime is 346891. The reversal of 346879 is 978643.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 346879 - 2¹ = 346877 is a prime.

It is a Duffinian number.

346879 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (346873) 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 3 ways as a sum of consecutive naturals, for example, 13329 + ... + 13354.

It is an arithmetic number, because the mean of its divisors is an integer number (93394).

2³⁴⁶⁸⁷⁹ is an apocalyptic number.

346879 is a deficient number, since it is larger than the sum of its proper divisors (26697).

346879 is a wasteful number, since it uses less digits than its factorization.

346879 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 26696.

The product of its digits is 36288, while the sum is 37.

The square root of 346879 is about 588.9643452706. The cubic root of 346879 is about 70.2628890203.

It can be divided in two parts, 346 and 879, that added together give a triangular number (1225 = T₄₉).

The spelling of 346879 in words is "three hundred forty-six thousand, eight hundred seventy-nine".