308634568 has 16 divisors (see below), whose sum is σ = 631298160. Its totient is φ = 140288400.

The previous prime is 308634551. The next prime is 308634569. The reversal of 308634568 is 865436803.

308634568 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (308634569) 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, 1753518 + ... + 1753693.

It is an arithmetic number, because the mean of its divisors is an integer number (39456135).

Almost surely, 2^308634568 is an apocalyptic number.

It is an amenable number.

308634568 is an abundant number, since it is smaller than the sum of its proper divisors (322663592).

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

308634568 is a wasteful number, since it uses less digits than its factorization.

308634568 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3507228 (or 3507224 counting only the distinct ones).

The product of its (nonzero) digits is 414720, while the sum is 43.

The square root of 308634568 is about 17567.9984061930. The cubic root of 308634568 is about 675.7948153574.

The spelling of 308634568 in words is "three hundred eight million, six hundred thirty-four thousand, five hundred sixty-eight".