6886169 has 4 divisors (see below), whose sum is σ = 6891444. Its totient is φ = 6880896.

The previous prime is 6886153. The next prime is 6886171. The reversal of 6886169 is 9616886.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 1651225 + 5234944 = 1285^2 + 2288^2 .

It is a cyclic number.

It is not a de Polignac number, because 6886169 - 2⁴ = 6886153 is a prime.

It is a super-2 number, since 2×6886169² = 94838646993122, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6886109) 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, 929 + ... + 3825.

It is an arithmetic number, because the mean of its divisors is an integer number (1722861).

Almost surely, 2^6886169 is an apocalyptic number.

It is an amenable number.

6886169 is a deficient number, since it is larger than the sum of its proper divisors (5275).

6886169 is a wasteful number, since it uses less digits than its factorization.

6886169 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5274.

The product of its digits is 124416, while the sum is 44.

The square root of 6886169 is about 2624.1511008324. The cubic root of 6886169 is about 190.2505374509.

The spelling of 6886169 in words is "six million, eight hundred eighty-six thousand, one hundred sixty-nine".