342855 has 24 divisors (see below), whose sum is σ = 627120. Its totient is φ = 172800.

The previous prime is 342847. The next prime is 342863. The reversal of 342855 is 558243.

It is an interprime number because it is at equal distance from previous prime (342847) and next prime (342863).

It is not a de Polignac number, because 342855 - 2³ = 342847 is a prime.

It is a fibodiv number, since the Fibonacci-like sequence with seeds 3 and 42855 contains 342855 itself.

It is an Ulam 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 342855.

It is an unprimeable number.

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 23 ways as a sum of consecutive naturals, for example, 655 + ... + 1055.

It is an arithmetic number, because the mean of its divisors is an integer number (26130).

2³⁴²⁸⁵⁵ is an apocalyptic number.

342855 is a deficient number, since it is larger than the sum of its proper divisors (284265).

342855 is a wasteful number, since it uses less digits than its factorization.

342855 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 431 (or 428 counting only the distinct ones).

The product of its digits is 4800, while the sum is 27.

The square root of 342855 is about 585.5382139536. The cubic root of 342855 is about 69.9901346641.

The spelling of 342855 in words is "three hundred forty-two thousand, eight hundred fifty-five".