6886885 has 4 divisors (see below), whose sum is σ = 8264268. Its totient is φ = 5509504.

The previous prime is 6886883. The next prime is 6886897. The reversal of 6886885 is 5886886.

6886885 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4990756 + 1896129 = 2234^2 + 1377^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886885 - 2¹ = 6886883 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6886883) 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, 688684 + ... + 688693.

It is an arithmetic number, because the mean of its divisors is an integer number (2066067).

Almost surely, 2^6886885 is an apocalyptic number.

It is an amenable number.

6886885 is a deficient number, since it is larger than the sum of its proper divisors (1377383).

6886885 is a wasteful number, since it uses less digits than its factorization.

6886885 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1377382.

The product of its digits is 737280, while the sum is 49.

The square root of 6886885 is about 2624.2875223573. The cubic root of 6886885 is about 190.2571310864.

Subtracting from 6886885 its reverse (5886886), we obtain a palindrome (999999).

The spelling of 6886885 in words is "six million, eight hundred eighty-six thousand, eight hundred eighty-five".