6886867 has 16 divisors (see below), whose sum is σ = 7999488. Its totient is φ = 5876640.

The previous prime is 6886843. The next prime is 6886883. The reversal of 6886867 is 7686886.

It is a cyclic number.

It is not a de Polignac number, because 6886867 - 2⁷ = 6886739 is a prime.

6886867 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6886867.

It is not an unprimeable number, because it can be changed into a prime (6886807) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 8898 + ... + 9640.

It is an arithmetic number, because the mean of its divisors is an integer number (499968).

Almost surely, 2^6886867 is an apocalyptic number.

6886867 is a deficient number, since it is larger than the sum of its proper divisors (1112621).

6886867 is a wasteful number, since it uses less digits than its factorization.

6886867 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 810.

The product of its digits is 774144, while the sum is 49.

The square root of 6886867 is about 2624.2840928528. The cubic root of 6886867 is about 190.2569653302.

The spelling of 6886867 in words is "six million, eight hundred eighty-six thousand, eight hundred sixty-seven".