342668 has 6 divisors (see below), whose sum is σ = 599676. Its totient is φ = 171332.

The previous prime is 342659. The next prime is 342673. The reversal of 342668 is 866243.

342668 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 342668.

It is an unprimeable number.

342668 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 as a sum of consecutive naturals, namely, 42830 + ... + 42837.

It is an arithmetic number, because the mean of its divisors is an integer number (99946).

2³⁴²⁶⁶⁸ is an apocalyptic number.

It is an amenable number.

342668 is a deficient number, since it is larger than the sum of its proper divisors (257008).

342668 is a wasteful number, since it uses less digits than its factorization.

342668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 85671 (or 85669 counting only the distinct ones).

The product of its digits is 6912, while the sum is 29.

The square root of 342668 is about 585.3785100258. The cubic root of 342668 is about 69.9774076752.

The spelling of 342668 in words is "three hundred forty-two thousand, six hundred sixty-eight".