342895 has 16 divisors (see below), whose sum is σ = 479808. Its totient is φ = 230400.

The previous prime is 342889. The next prime is 342899. The reversal of 342895 is 598243.

It is not a de Polignac number, because 342895 - 2⁵ = 342863 is a prime.

It is a plaindrome in base 8.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342899) 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 15 ways as a sum of consecutive naturals, for example, 3345 + ... + 3445.

It is an arithmetic number, because the mean of its divisors is an integer number (29988).

2³⁴²⁸⁹⁵ is an apocalyptic number.

342895 is a gapful number since it is divisible by the number (35) formed by its first and last digit.

342895 is a deficient number, since it is larger than the sum of its proper divisors (136913).

342895 is a wasteful number, since it uses less digits than its factorization.

342895 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 210.

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

The square root of 342895 is about 585.5723695667. The cubic root of 342895 is about 69.9928564139.

The spelling of 342895 in words is "three hundred forty-two thousand, eight hundred ninety-five".