345815968 has 24 divisors (see below), whose sum is σ = 682159968. Its totient is φ = 172569024.

The previous prime is 345815963. The next prime is 345815969. The reversal of 345815968 is 869518543.

It is not an unprimeable number, because it can be changed into a prime (345815963) 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, 6405 + ... + 27067.

It is an arithmetic number, because the mean of its divisors is an integer number (28423332).

Almost surely, 2^345815968 is an apocalyptic number.

It is an amenable number.

345815968 is a deficient number, since it is larger than the sum of its proper divisors (336344000).

345815968 is a wasteful number, since it uses less digits than its factorization.

345815968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21196 (or 21188 counting only the distinct ones).

The product of its digits is 1036800, while the sum is 49.

The square root of 345815968 is about 18596.1277689738. The cubic root of 345815968 is about 701.9104059597.

The spelling of 345815968 in words is "three hundred forty-five million, eight hundred fifteen thousand, nine hundred sixty-eight".