307915968 has 112 divisors (see below), whose sum is σ = 892637280. Its totient is φ = 93241344.

The previous prime is 307915967. The next prime is 307915969. The reversal of 307915968 is 869519703.

It is an interprime number because it is at equal distance from previous prime (307915967) and next prime (307915969).

It is a Harshad number since it is a multiple of its sum of digits (48).

It is not an unprimeable number, because it can be changed into a prime (307915967) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 93030 + ... + 96282.

Almost surely, 2^307915968 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 307915968, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (446318640).

307915968 is an abundant number, since it is smaller than the sum of its proper divisors (584721312).

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

307915968 is a wasteful number, since it uses less digits than its factorization.

307915968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3314 (or 3304 counting only the distinct ones).

The product of its (nonzero) digits is 408240, while the sum is 48.

The square root of 307915968 is about 17547.5345276765. The cubic root of 307915968 is about 675.2699189366.

The spelling of 307915968 in words is "three hundred seven million, nine hundred fifteen thousand, nine hundred sixty-eight".