342636 has 24 divisors (see below), whose sum is σ = 913920. Its totient is φ = 97872.

The previous prime is 342607. The next prime is 342647. The reversal of 342636 is 636243.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 3⁵ + 4³ + 6⁴ + 2¹¹ + 3¹⁰ + 6⁷ .

It is an unprimeable number.

342636 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1956 + ... + 2123.

It is an arithmetic number, because the mean of its divisors is an integer number (38080).

2³⁴²⁶³⁶ is an apocalyptic number.

It is an amenable number.

342636 is an abundant number, since it is smaller than the sum of its proper divisors (571284).

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

342636 is a wasteful number, since it uses less digits than its factorization.

342636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4093 (or 4091 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 342636 is about 585.3511766453. The cubic root of 342636 is about 69.9752293308.

Adding to 342636 its reverse (636243), we get a palindrome (978879).

The spelling of 342636 in words is "three hundred forty-two thousand, six hundred thirty-six".