308712968 has 16 divisors (see below), whose sum is σ = 579547500. Its totient is φ = 154166976.

The previous prime is 308712959. The next prime is 308712977. The reversal of 308712968 is 869217803.

It is an interprime number because it is at equal distance from previous prime (308712959) and next prime (308712977).

It can be written as a sum of positive squares in 2 ways, for example, as 272976484 + 35736484 = 16522^2 + 5978^2 .

It is a super-2 number, since 2×308712968² = 190607393222738048, which contains 22 as substring.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 16643 + ... + 29906.

Almost surely, 2^308712968 is an apocalyptic number.

It is an amenable number.

308712968 is a deficient number, since it is larger than the sum of its proper divisors (270834532).

308712968 is a wasteful number, since it uses less digits than its factorization.

308712968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47384 (or 47380 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 44.

The square root of 308712968 is about 17570.2295944020. The cubic root of 308712968 is about 675.8520327848.

The spelling of 308712968 in words is "three hundred eight million, seven hundred twelve thousand, nine hundred sixty-eight".