306534644 has 24 divisors (see below), whose sum is σ = 578178048. Its totient is φ = 141360480.

The previous prime is 306534643. The next prime is 306534649. The reversal of 306534644 is 446435603.

306534644 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a Smith number, since the sum of its digits (35) coincides with the sum of the digits of its prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (306534643) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 113429 + ... + 116099.

It is an arithmetic number, because the mean of its divisors is an integer number (24090752).

Almost surely, 2^306534644 is an apocalyptic number.

It is an amenable number.

306534644 is a deficient number, since it is larger than the sum of its proper divisors (271643404).

306534644 is a wasteful number, since it uses less digits than its factorization.

306534644 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4895 (or 4893 counting only the distinct ones).

The product of its (nonzero) digits is 103680, while the sum is 35.

The square root of 306534644 is about 17508.1307968612. The cubic root of 306534644 is about 674.2586421173.

The spelling of 306534644 in words is "three hundred six million, five hundred thirty-four thousand, six hundred forty-four".