342558 has 12 divisors (see below), whose sum is σ = 742248. Its totient is φ = 114180.

The previous prime is 342553. The next prime is 342569. The reversal of 342558 is 855243.

342558 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

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 342558.

It is not an unprimeable number, because it can be changed into a prime (342553) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 9498 + ... + 9533.

It is an arithmetic number, because the mean of its divisors is an integer number (61854).

2³⁴²⁵⁵⁸ is an apocalyptic number.

342558 is an abundant number, since it is smaller than the sum of its proper divisors (399690).

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

342558 is a wasteful number, since it uses less digits than its factorization.

342558 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 19039 (or 19036 counting only the distinct ones).

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

The square root of 342558 is about 585.2845461825. The cubic root of 342558 is about 69.9699190480.

It can be divided in two parts, 342 and 558, that added together give a square (900 = 30²).

The spelling of 342558 in words is "three hundred forty-two thousand, five hundred fifty-eight".