6386875 has 20 divisors (see below), whose sum is σ = 8715960. Its totient is φ = 4640000.

The previous prime is 6386839. The next prime is 6386923. The reversal of 6386875 is 5786836.

It is not a de Polignac number, because 6386875 - 2⁹ = 6386363 is a prime.

It is an Ulam number.

Its product of digits (241920) is a multiple of the sum of its prime divisors (945).

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 19 ways as a sum of consecutive naturals, for example, 6411 + ... + 7339.

It is an arithmetic number, because the mean of its divisors is an integer number (435798).

Almost surely, 2^6386875 is an apocalyptic number.

6386875 is a deficient number, since it is larger than the sum of its proper divisors (2329085).

6386875 is an equidigital number, since it uses as much as digits as its factorization.

6386875 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 960 (or 945 counting only the distinct ones).

The product of its digits is 241920, while the sum is 43.

The square root of 6386875 is about 2527.2267409158. The cubic root of 6386875 is about 185.5365480402.

The spelling of 6386875 in words is "six million, three hundred eighty-six thousand, eight hundred seventy-five".