306674816 has 128 divisors (see below), whose sum is σ = 736619520. Its totient is φ = 124416000.

The previous prime is 306674813. The next prime is 306674821. The reversal of 306674816 is 618476603.

It is a tau number, because it is divible by the number of its divisors (128).

It is not an unprimeable number, because it can be changed into a prime (306674813) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1694246 + ... + 1694426.

It is an arithmetic number, because the mean of its divisors is an integer number (5754840).

Almost surely, 2^306674816 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 306674816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (368309760).

306674816 is an abundant number, since it is smaller than the sum of its proper divisors (429944704).

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

306674816 is a wasteful number, since it uses less digits than its factorization.

306674816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 294 (or 282 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 306674816 is about 17512.1333937359. The cubic root of 306674816 is about 674.3614013342.

The spelling of 306674816 in words is "three hundred six million, six hundred seventy-four thousand, eight hundred sixteen".