305768328 has 16 divisors (see below), whose sum is σ = 764420880. Its totient is φ = 101922768.

The previous prime is 305768327. The next prime is 305768339. The reversal of 305768328 is 823867503.

It is a self number, because there is not a number n which added to its sum of digits gives 305768328.

It is not an unprimeable number, because it can be changed into a prime (305768321) 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 3 ways as a sum of consecutive naturals, for example, 6370150 + ... + 6370197.

It is an arithmetic number, because the mean of its divisors is an integer number (47776305).

Almost surely, 2^305768328 is an apocalyptic number.

It is an amenable number.

305768328 is an abundant number, since it is smaller than the sum of its proper divisors (458652552).

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

305768328 is a wasteful number, since it uses less digits than its factorization.

305768328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12740356 (or 12740352 counting only the distinct ones).

The product of its (nonzero) digits is 241920, while the sum is 42.

The square root of 305768328 is about 17486.2325273342. The cubic root of 305768328 is about 673.6963061656.

The spelling of 305768328 in words is "three hundred five million, seven hundred sixty-eight thousand, three hundred twenty-eight".