342808 has 16 divisors (see below), whose sum is σ = 652680. Its totient is φ = 168768.

The previous prime is 342803. The next prime is 342821. The reversal of 342808 is 808243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342803) 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, 291 + ... + 877.

2³⁴²⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

342808 is a deficient number, since it is larger than the sum of its proper divisors (309872).

342808 is a wasteful number, since it uses less digits than its factorization.

342808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666 (or 662 counting only the distinct ones).

The product of its (nonzero) digits is 1536, while the sum is 25.

The square root of 342808 is about 585.4980785622. The cubic root of 342808 is about 69.9869363377.

The spelling of 342808 in words is "three hundred forty-two thousand, eight hundred eight".