306404724 has 12 divisors (see below), whose sum is σ = 714944384. Its totient is φ = 102134904.

The previous prime is 306404723. The next prime is 306404729. The reversal of 306404724 is 427404603.

306404724 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 306404691 and 306404700.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306404723) 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, 12766852 + ... + 12766875.

Almost surely, 2^306404724 is an apocalyptic number.

It is an amenable number.

306404724 is an abundant number, since it is smaller than the sum of its proper divisors (408539660).

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

306404724 is a wasteful number, since it uses less digits than its factorization.

306404724 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 25533734 (or 25533732 counting only the distinct ones).

The product of its (nonzero) digits is 16128, while the sum is 30.

The square root of 306404724 is about 17504.4201274992. The cubic root of 306404724 is about 674.1633706004.

The spelling of 306404724 in words is "three hundred six million, four hundred four thousand, seven hundred twenty-four".