342258 has 32 divisors (see below), whose sum is σ = 812160. Its totient is φ = 94080.

The previous prime is 342257. The next prime is 342281. The reversal of 342258 is 852243.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342258.

It is not an unprimeable number, because it can be changed into a prime (342257) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1078 + ... + 1358.

It is an arithmetic number, because the mean of its divisors is an integer number (25380).

2³⁴²²⁵⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 342258, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (406080).

342258 is an abundant number, since it is smaller than the sum of its proper divisors (469902).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

342258 is a wasteful number, since it uses less digits than its factorization.

342258 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322.

The product of its digits is 1920, while the sum is 24.

The square root of 342258 is about 585.0282044483. The cubic root of 342258 is about 69.9494873679.

The spelling of 342258 in words is "three hundred forty-two thousand, two hundred fifty-eight".