308768872 has 16 divisors (see below), whose sum is σ = 579490560. Its totient is φ = 154238064.

The previous prime is 308768861. The next prime is 308768879. The reversal of 308768872 is 278867803.

It is not an unprimeable number, because it can be changed into a prime (308768879) 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, 9058 + ... + 26449.

It is an arithmetic number, because the mean of its divisors is an integer number (36218160).

Almost surely, 2^308768872 is an apocalyptic number.

It is an amenable number.

308768872 is a deficient number, since it is larger than the sum of its proper divisors (270721688).

308768872 is a wasteful number, since it uses less digits than its factorization.

308768872 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36600 (or 36596 counting only the distinct ones).

The product of its (nonzero) digits is 903168, while the sum is 49.

The square root of 308768872 is about 17571.8203951668. The cubic root of 308768872 is about 675.8928263973.

The spelling of 308768872 in words is "three hundred eight million, seven hundred sixty-eight thousand, eight hundred seventy-two".