6888869 has 8 divisors (see below), whose sum is σ = 7466592. Its totient is φ = 6318000.

The previous prime is 6888857. The next prime is 6888877. The reversal of 6888869 is 9688886.

It is a happy number.

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

It is not a de Polignac number, because 6888869 - 2⁸ = 6888613 is a prime.

It is a super-2 number, since 2×6888869² = 94913032198322, which contains 22 as substring.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 6888869.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888809) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 494 + ... + 3744.

It is an arithmetic number, because the mean of its divisors is an integer number (933324).

Almost surely, 2^6888869 is an apocalyptic number.

It is an amenable number.

6888869 is a deficient number, since it is larger than the sum of its proper divisors (577723).

6888869 is a wasteful number, since it uses less digits than its factorization.

6888869 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3427.

The product of its digits is 1327104, while the sum is 53.

The square root of 6888869 is about 2624.6655024974. The cubic root of 6888869 is about 190.2753993313.

The spelling of 6888869 in words is "six million, eight hundred eighty-eight thousand, eight hundred sixty-nine".