342642 has 8 divisors (see below), whose sum is σ = 685296. Its totient is φ = 114212.

The previous prime is 342607. The next prime is 342647. The reversal of 342642 is 246243.

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

342642 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (342647) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 28548 + ... + 28559.

It is an arithmetic number, because the mean of its divisors is an integer number (85662).

2³⁴²⁶⁴² is an apocalyptic number.

342642 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

342642 is a wasteful number, since it uses less digits than its factorization.

342642 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 57112.

The product of its digits is 1152, while the sum is 21.

The square root of 342642 is about 585.3563017513. The cubic root of 342642 is about 69.9756377807.

Adding to 342642 its reverse (246243), we get a palindrome (588885).

The spelling of 342642 in words is "three hundred forty-two thousand, six hundred forty-two".