342506917 has 4 divisors (see below), whose sum is σ = 343523596. Its totient is φ = 341490240.

The previous prime is 342506909. The next prime is 342506929. The reversal of 342506917 is 719605243.

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 122014116 + 220492801 = 11046^2 + 14849^2 .

It is a cyclic number.

It is not a de Polignac number, because 342506917 - 2³ = 342506909 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342546917) 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, 507834 + ... + 508507.

It is an arithmetic number, because the mean of its divisors is an integer number (85880899).

Almost surely, 2^342506917 is an apocalyptic number.

It is an amenable number.

342506917 is a deficient number, since it is larger than the sum of its proper divisors (1016679).

342506917 is a wasteful number, since it uses less digits than its factorization.

342506917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1016678.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 342506917 is about 18506.9424000833. The cubic root of 342506917 is about 699.6644085254.

The spelling of 342506917 in words is "three hundred forty-two million, five hundred six thousand, nine hundred seventeen".