307380388 has 12 divisors (see below), whose sum is σ = 614760832. Its totient is φ = 131734440.

The previous prime is 307380379. The next prime is 307380397. The reversal of 307380388 is 883083703.

It is an interprime number because it is at equal distance from previous prime (307380379) and next prime (307380397).

307380388 is an admirable number.

It is a self number, because there is not a number n which added to its sum of digits gives 307380388.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5488908 + ... + 5488963.

Almost surely, 2^307380388 is an apocalyptic number.

It is an amenable number.

307380388 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

307380388 is a wasteful number, since it uses less digits than its factorization.

307380388 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10977882 (or 10977880 counting only the distinct ones).

The product of its (nonzero) digits is 96768, while the sum is 40.

The square root of 307380388 is about 17532.2670524950. The cubic root of 307380388 is about 674.8781768260.

The spelling of 307380388 in words is "three hundred seven million, three hundred eighty thousand, three hundred eighty-eight".