345660328 has 32 divisors (see below), whose sum is σ = 700277760. Its totient is φ = 159007680.

The previous prime is 345660319. The next prime is 345660347. The reversal of 345660328 is 823066543.

It is a Smith number, since the sum of its digits (37) coincides with the sum of the digits of its prime factors.

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, 27001 + ... + 37687.

It is an arithmetic number, because the mean of its divisors is an integer number (21883680).

Almost surely, 2^345660328 is an apocalyptic number.

It is an amenable number.

345660328 is an abundant number, since it is smaller than the sum of its proper divisors (354617432).

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

345660328 is a wasteful number, since it uses less digits than its factorization.

345660328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11017 (or 11013 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 37.

The square root of 345660328 is about 18591.9425558493. The cubic root of 345660328 is about 701.8050881616.

The spelling of 345660328 in words is "three hundred forty-five million, six hundred sixty thousand, three hundred twenty-eight".