6387904 has 28 divisors (see below), whose sum is σ = 12779248. Its totient is φ = 3168000.

The previous prime is 6387893. The next prime is 6387907. The reversal of 6387904 is 4097836.

It is not an unprimeable number, because it can be changed into a prime (6387907) 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, 9334 + ... + 9994.

Almost surely, 2^6387904 is an apocalyptic number.

6387904 is a gapful number since it is divisible by the number (64) formed by its first and last digit.

It is an amenable number.

6387904 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

6387904 is a wasteful number, since it uses less digits than its factorization.

6387904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 824 (or 814 counting only the distinct ones).

The product of its (nonzero) digits is 36288, while the sum is 37.

The square root of 6387904 is about 2527.4303155577. The cubic root of 6387904 is about 185.5465115386.

The spelling of 6387904 in words is "six million, three hundred eighty-seven thousand, nine hundred four".