305816704 has 64 divisors (see below), whose sum is σ = 657165600. Its totient is φ = 141281280.

The previous prime is 305816701. The next prime is 305816711. The reversal of 305816704 is 407618503.

It is a tau number, because it is divible by the number of its divisors (64).

It is a self number, because there is not a number n which added to its sum of digits gives 305816704.

It is not an unprimeable number, because it can be changed into a prime (305816701) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 98179 + ... + 101245.

Almost surely, 2^305816704 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 305816704, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (328582800).

305816704 is an abundant number, since it is smaller than the sum of its proper divisors (351348896).

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

305816704 is a wasteful number, since it uses less digits than its factorization.

305816704 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3141 (or 3129 counting only the distinct ones).

The product of its (nonzero) digits is 20160, while the sum is 34.

The square root of 305816704 is about 17487.6157322832. The cubic root of 305816704 is about 673.7318330781.

The spelling of 305816704 in words is "three hundred five million, eight hundred sixteen thousand, seven hundred four".