342790 has 32 divisors (see below), whose sum is σ = 725760. Its totient is φ = 114144.

The previous prime is 342761. The next prime is 342791. The reversal of 342790 is 97243.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342791) by changing a digit.

342790 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 15 ways as a sum of consecutive naturals, for example, 4089 + ... + 4171.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2³⁴²⁷⁹⁰ is an apocalyptic number.

342790 is an abundant number, since it is smaller than the sum of its proper divisors (382970).

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

342790 is a wasteful number, since it uses less digits than its factorization.

342790 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 156.

The product of its (nonzero) digits is 1512, while the sum is 25.

The square root of 342790 is about 585.4827068326. The cubic root of 342790 is about 69.9857113693.

The spelling of 342790 in words is "three hundred forty-two thousand, seven hundred ninety".