6888959 has 12 divisors (see below), whose sum is σ = 8742888. Its totient is φ = 5367600.

The previous prime is 6888953. The next prime is 6888967. The reversal of 6888959 is 9598886.

It is not a de Polignac number, because 6888959 - 2¹² = 6884863 is a prime.

It is a super-2 number, since 2×6888959² = 94915512207362, which contains 22 as substring.

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 6888959.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6888953) 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, 5852 + ... + 6929.

It is an arithmetic number, because the mean of its divisors is an integer number (728574).

Almost surely, 2^6888959 is an apocalyptic number.

6888959 is a deficient number, since it is larger than the sum of its proper divisors (1853929).

6888959 is a wasteful number, since it uses less digits than its factorization.

6888959 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12806 (or 12799 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The square root of 6888959 is about 2624.6826474833. The cubic root of 6888959 is about 190.2762279488.

The spelling of 6888959 in words is "six million, eight hundred eighty-eight thousand, nine hundred fifty-nine".