6387668 has 12 divisors (see below), whose sum is σ = 12775392. Its totient is φ = 2737560.

The previous prime is 6387653. The next prime is 6387673. The reversal of 6387668 is 8667836.

6387668 is an admirable number.

It is a congruent number.

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, 114038 + ... + 114093.

It is an arithmetic number, because the mean of its divisors is an integer number (1064616).

Almost surely, 2^6387668 is an apocalyptic number.

It is an amenable number.

6387668 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.

6387668 is a wasteful number, since it uses less digits than its factorization.

6387668 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 228142 (or 228140 counting only the distinct ones).

The product of its digits is 290304, while the sum is 44.

The square root of 6387668 is about 2527.3836273902. The cubic root of 6387668 is about 185.5442265159.

The spelling of 6387668 in words is "six million, three hundred eighty-seven thousand, six hundred sixty-eight".