306849768 has 16 divisors (see below), whose sum is σ = 767124480. Its totient is φ = 102283248.

The previous prime is 306849757. The next prime is 306849773. The reversal of 306849768 is 867948603.

It is a self number, because there is not a number n which added to its sum of digits gives 306849768.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 6392680 + ... + 6392727.

It is an arithmetic number, because the mean of its divisors is an integer number (47945280).

Almost surely, 2^306849768 is an apocalyptic number.

It is an amenable number.

306849768 is an abundant number, since it is smaller than the sum of its proper divisors (460274712).

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

306849768 is a wasteful number, since it uses less digits than its factorization.

306849768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12785416 (or 12785412 counting only the distinct ones).

The product of its (nonzero) digits is 1741824, while the sum is 51.

The square root of 306849768 is about 17517.1278467676. The cubic root of 306849768 is about 674.4896136312.

The spelling of 306849768 in words is "three hundred six million, eight hundred forty-nine thousand, seven hundred sixty-eight".