386306816 has 36 divisors (see below), whose sum is σ = 881266512. Its totient is φ = 165559296.

The previous prime is 386306813. The next prime is 386306819. The reversal of 386306816 is 618603683.

It is an interprime number because it is at equal distance from previous prime (386306813) and next prime (386306819).

It is not an unprimeable number, because it can be changed into a prime (386306813) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 105995 + ... + 109578.

Almost surely, 2^386306816 is an apocalyptic number.

It is an amenable number.

386306816 is an abundant number, since it is smaller than the sum of its proper divisors (494959696).

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

386306816 is an equidigital number, since it uses as much as digits as its factorization.

386306816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 215596 (or 215582 counting only the distinct ones).

The product of its (nonzero) digits is 124416, while the sum is 41.

The square root of 386306816 is about 19654.6894149971. The cubic root of 386306816 is about 728.3008055311.

The spelling of 386306816 in words is "three hundred eighty-six million, three hundred six thousand, eight hundred sixteen".