305430568 has 16 divisors (see below), whose sum is σ = 606369780. Its totient is φ = 143731968.

The previous prime is 305430563. The next prime is 305430611. The reversal of 305430568 is 865034503.

It can be written as a sum of positive squares in 2 ways, for example, as 290975364 + 14455204 = 17058^2 + 3802^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (305430563) 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, 1122771 + ... + 1123042.

Almost surely, 2^305430568 is an apocalyptic number.

It is an amenable number.

305430568 is a deficient number, since it is larger than the sum of its proper divisors (300939212).

305430568 is a wasteful number, since it uses less digits than its factorization.

305430568 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2245836 (or 2245832 counting only the distinct ones).

The product of its (nonzero) digits is 43200, while the sum is 34.

The square root of 305430568 is about 17476.5719750757. The cubic root of 305430568 is about 673.4481536919.

The spelling of 305430568 in words is "three hundred five million, four hundred thirty thousand, five hundred sixty-eight".