6889869 has 12 divisors (see below), whose sum is σ = 11373856. Its totient is φ = 3937032.

The previous prime is 6889859. The next prime is 6889873. The reversal of 6889869 is 9689886.

It is not a de Polignac number, because 6889869 - 2⁴ = 6889853 is a prime.

It is a super-2 number, since 2×6889869² = 94940589674322, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6889859) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 54619 + ... + 54744.

Almost surely, 2^6889869 is an apocalyptic number.

It is an amenable number.

6889869 is a deficient number, since it is larger than the sum of its proper divisors (4483987).

6889869 is a wasteful number, since it uses less digits than its factorization.

6889869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 109376 (or 109373 counting only the distinct ones).

The product of its digits is 1492992, while the sum is 54.

The square root of 6889869 is about 2624.8559960501. The cubic root of 6889869 is about 190.2846057866.

The spelling of 6889869 in words is "six million, eight hundred eighty-nine thousand, eight hundred sixty-nine".