345316956 has 24 divisors (see below), whose sum is σ = 807014544. Its totient is φ = 114923520.

The previous prime is 345316931. The next prime is 345316997. The reversal of 345316956 is 659613543.

It is a super-2 number, since 2×345316956² = 238487600202211872, which contains 22 as substring.

It is a congruent number.

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, 14755 + ... + 30138.

It is an arithmetic number, because the mean of its divisors is an integer number (33625606).

Almost surely, 2^345316956 is an apocalyptic number.

It is an amenable number.

345316956 is an abundant number, since it is smaller than the sum of its proper divisors (461697588).

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

345316956 is a wasteful number, since it uses less digits than its factorization.

345316956 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45541 (or 45539 counting only the distinct ones).

The product of its digits is 291600, while the sum is 42.

The square root of 345316956 is about 18582.7058309601. The cubic root of 345316956 is about 701.5726248286.

The spelling of 345316956 in words is "three hundred forty-five million, three hundred sixteen thousand, nine hundred fifty-six".