388630316 has 12 divisors (see below), whose sum is σ = 682508232. Its totient is φ = 193627968.

The previous prime is 388630303. The next prime is 388630321. The reversal of 388630316 is 613036883.

It is a self number, because there is not a number n which added to its sum of digits gives 388630316.

It is an unprimeable number.

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, 170525 + ... + 172788.

It is an arithmetic number, because the mean of its divisors is an integer number (56875686).

Almost surely, 2^388630316 is an apocalyptic number.

It is an amenable number.

388630316 is a deficient number, since it is larger than the sum of its proper divisors (293877916).

388630316 is a wasteful number, since it uses less digits than its factorization.

388630316 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 343600 (or 343598 counting only the distinct ones).

The product of its (nonzero) digits is 62208, while the sum is 38.

The square root of 388630316 is about 19713.7088342098. The cubic root of 388630316 is about 729.7580457919.

The spelling of 388630316 in words is "three hundred eighty-eight million, six hundred thirty thousand, three hundred sixteen".