6886587 has 8 divisors (see below), whose sum is σ = 9239104. Its totient is φ = 4562568.

The previous prime is 6886577. The next prime is 6886589. The reversal of 6886587 is 7856886.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6886587 - 2⁴ = 6886571 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6886589) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6553 + ... + 7530.

It is an arithmetic number, because the mean of its divisors is an integer number (1154888).

Almost surely, 2^6886587 is an apocalyptic number.

6886587 is a deficient number, since it is larger than the sum of its proper divisors (2352517).

6886587 is a wasteful number, since it uses less digits than its factorization.

6886587 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 14249.

The product of its digits is 645120, while the sum is 48.

The square root of 6886587 is about 2624.2307444278. The cubic root of 6886587 is about 190.2543868635.

Subtracting 6886587 from its reverse (7856886), we obtain a cube (970299 = 99³).

The spelling of 6886587 in words is "six million, eight hundred eighty-six thousand, five hundred eighty-seven".