6867986 has 8 divisors (see below), whose sum is σ = 10443324. Its totient is φ = 3386880.

The previous prime is 6867967. The next prime is 6867989. The reversal of 6867986 is 6897686.

It can be written as a sum of positive squares in 2 ways, for example, as 6682225 + 185761 = 2585^2 + 431^2 .

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

It is not an unprimeable number, because it can be changed into a prime (6867989) 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, 23375 + ... + 23666.

Almost surely, 2^6867986 is an apocalyptic number.

6867986 is a deficient number, since it is larger than the sum of its proper divisors (3575338).

6867986 is a wasteful number, since it uses less digits than its factorization.

6867986 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 47116.

The product of its digits is 870912, while the sum is 50.

The square root of 6867986 is about 2620.6842617912. The cubic root of 6867986 is about 190.0829370144.

The spelling of 6867986 in words is "six million, eight hundred sixty-seven thousand, nine hundred eighty-six".