307859968 has 80 divisors (see below), whose sum is σ = 691580736. Its totient is φ = 135843840.

The previous prime is 307859957. The next prime is 307859999. The reversal of 307859968 is 869958703.

It is a happy number.

It is a super-2 number, since 2×307859968² = 189555519793922048, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 152083 + ... + 154093.

Almost surely, 2^307859968 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 307859968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (345790368).

307859968 is an abundant number, since it is smaller than the sum of its proper divisors (383720768).

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

307859968 is a wasteful number, since it uses less digits than its factorization.

307859968 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2065 (or 2049 counting only the distinct ones).

The product of its (nonzero) digits is 3265920, while the sum is 55.

The square root of 307859968 is about 17545.9387893609. The cubic root of 307859968 is about 675.2289798362.

The spelling of 307859968 in words is "three hundred seven million, eight hundred fifty-nine thousand, nine hundred sixty-eight".