387995968 has 28 divisors (see below), whose sum is σ = 772192512. Its totient is φ = 193427840.

The previous prime is 387995957. The next prime is 387995983. The reversal of 387995968 is 869599783.

It is a happy number.

It is a Harshad number since it is a multiple of its sum of digits (64).

It is a congruent number.

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, 13473 + ... + 30943.

It is an arithmetic number, because the mean of its divisors is an integer number (27578304).

Almost surely, 2^387995968 is an apocalyptic number.

It is an amenable number.

387995968 is a deficient number, since it is larger than the sum of its proper divisors (384196544).

387995968 is a wasteful number, since it uses less digits than its factorization.

387995968 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 17830 (or 17820 counting only the distinct ones).

The product of its digits is 29393280, while the sum is 64.

The square root of 387995968 is about 19697.6132564329. The cubic root of 387995968 is about 729.3607765138.

The spelling of 387995968 in words is "three hundred eighty-seven million, nine hundred ninety-five thousand, nine hundred sixty-eight".