342917493 has 4 divisors (see below), whose sum is σ = 457223328. Its totient is φ = 228611660.

The previous prime is 342917483. The next prime is 342917513. The reversal of 342917493 is 394719243.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 342917493 - 2¹² = 342913397 is a prime.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (342917423) 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, 57152913 + ... + 57152918.

It is an arithmetic number, because the mean of its divisors is an integer number (114305832).

Almost surely, 2^342917493 is an apocalyptic number.

It is an amenable number.

342917493 is a deficient number, since it is larger than the sum of its proper divisors (114305835).

342917493 is a wasteful number, since it uses less digits than its factorization.

342917493 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 114305834.

The product of its digits is 163296, while the sum is 42.

The square root of 342917493 is about 18518.0315638569. The cubic root of 342917493 is about 699.9438682881.

The spelling of 342917493 in words is "three hundred forty-two million, nine hundred seventeen thousand, four hundred ninety-three".