387693164 has 12 divisors (see below), whose sum is σ = 679127064. Its totient is φ = 193656864.

The previous prime is 387693139. The next prime is 387693181. The reversal of 387693164 is 461396783.

It is a happy number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 42782 + ... + 51045.

It is an arithmetic number, because the mean of its divisors is an integer number (56593922).

Almost surely, 2^387693164 is an apocalyptic number.

It is an amenable number.

387693164 is a deficient number, since it is larger than the sum of its proper divisors (291433900).

387693164 is a wasteful number, since it uses less digits than its factorization.

387693164 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94864 (or 94862 counting only the distinct ones).

The product of its digits is 653184, while the sum is 47.

The square root of 387693164 is about 19689.9254442469. The cubic root of 387693164 is about 729.1709885973.

The spelling of 387693164 in words is "three hundred eighty-seven million, six hundred ninety-three thousand, one hundred sixty-four".