6887826 has 48 divisors (see below), whose sum is σ = 16679520. Its totient is φ = 2036160.

The previous prime is 6887821. The next prime is 6887831. The reversal of 6887826 is 6287886.

It is an interprime number because it is at equal distance from previous prime (6887821) and next prime (6887831).

It is not an unprimeable number, because it can be changed into a prime (6887821) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 8110 + ... + 8918.

It is an arithmetic number, because the mean of its divisors is an integer number (347490).

Almost surely, 2^6887826 is an apocalyptic number.

6887826 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is a practical number, because each smaller number is the sum of distinct divisors of 6887826, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8339760).

6887826 is an abundant number, since it is smaller than the sum of its proper divisors (9791694).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6887826 is a wasteful number, since it uses less digits than its factorization.

6887826 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 871 (or 868 counting only the distinct ones).

The product of its digits is 258048, while the sum is 45.

The square root of 6887826 is about 2624.4668029907. The cubic root of 6887826 is about 190.2657960492.

The spelling of 6887826 in words is "six million, eight hundred eighty-seven thousand, eight hundred twenty-six".