342859 has 8 divisors (see below), whose sum is σ = 380160. Its totient is φ = 306600.

The previous prime is 342847. The next prime is 342863. The reversal of 342859 is 958243.

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

It is a cyclic number.

It is not a de Polignac number, because 342859 - 2⁹ = 342347 is a prime.

342859 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 342859.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342869) 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 in 7 ways as a sum of consecutive naturals, for example, 562 + ... + 1000.

It is an arithmetic number, because the mean of its divisors is an integer number (47520).

2³⁴²⁸⁵⁹ is an apocalyptic number.

342859 is a deficient number, since it is larger than the sum of its proper divisors (37301).

342859 is a wasteful number, since it uses less digits than its factorization.

342859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 521.

The product of its digits is 8640, while the sum is 31.

The square root of 342859 is about 585.5416296046. The cubic root of 342859 is about 69.9904068486.

The spelling of 342859 in words is "three hundred forty-two thousand, eight hundred fifty-nine".