306813936 has 80 divisors (see below), whose sum is σ = 931190400. Its totient is φ = 85820160.

The previous prime is 306813929. The next prime is 306813937. The reversal of 306813936 is 639318603.

306813936 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a junction number, because it is equal to n+sod(n) for n = 306813894 and 306813903.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306813937) 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, 15486 + ... + 29213.

It is an arithmetic number, because the mean of its divisors is an integer number (11639880).

Almost surely, 2^306813936 is an apocalyptic number.

It is an amenable number.

306813936 is an abundant number, since it is smaller than the sum of its proper divisors (624376464).

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

306813936 is a wasteful number, since it uses less digits than its factorization.

306813936 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 44734 (or 44728 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 39.

The square root of 306813936 is about 17516.1050464994. The cubic root of 306813936 is about 674.4633583806.

The spelling of 306813936 in words is "three hundred six million, eight hundred thirteen thousand, nine hundred thirty-six".