342917 has 4 divisors (see below), whose sum is σ = 346860. Its totient is φ = 338976.

The previous prime is 342899. The next prime is 342929. The reversal of 342917 is 719243.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 231361 + 111556 = 481^2 + 334^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-342917 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 342917.

It is not an unprimeable number, because it can be changed into a prime (344917) 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, 1838 + ... + 2015.

It is an arithmetic number, because the mean of its divisors is an integer number (86715).

2³⁴²⁹¹⁷ is an apocalyptic number.

It is an amenable number.

342917 is a deficient number, since it is larger than the sum of its proper divisors (3943).

342917 is an equidigital number, since it uses as much as digits as its factorization.

342917 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3942.

The product of its digits is 1512, while the sum is 26.

The square root of 342917 is about 585.5911543048. The cubic root of 342917 is about 69.9943532860.

The spelling of 342917 in words is "three hundred forty-two thousand, nine hundred seventeen".