342665 has 8 divisors (see below), whose sum is σ = 432960. Its totient is φ = 259632.

The previous prime is 342659. The next prime is 342673. The reversal of 342665 is 566243.

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

It is a cyclic number.

It is not a de Polignac number, because 342665 - 2¹⁰ = 341641 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342665.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1709 + ... + 1898.

It is an arithmetic number, because the mean of its divisors is an integer number (54120).

2³⁴²⁶⁶⁵ is an apocalyptic number.

It is an amenable number.

342665 is a deficient number, since it is larger than the sum of its proper divisors (90295).

342665 is a wasteful number, since it uses less digits than its factorization.

342665 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3631.

The product of its digits is 4320, while the sum is 26.

The square root of 342665 is about 585.3759475756. The cubic root of 342665 is about 69.9772034611.

The spelling of 342665 in words is "three hundred forty-two thousand, six hundred sixty-five".