6818856 has 64 divisors (see below), whose sum is σ = 19422720. Its totient is φ = 1974720.

The previous prime is 6818849. The next prime is 6818863. The reversal of 6818856 is 6588186.

It is an interprime number because it is at equal distance from previous prime (6818849) and next prime (6818863).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 5511 + ... + 6633.

It is an arithmetic number, because the mean of its divisors is an integer number (303480).

Almost surely, 2^6818856 is an apocalyptic number.

6818856 is a gapful number since it is divisible by the number (66) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6818856, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9711360).

6818856 is an abundant number, since it is smaller than the sum of its proper divisors (12603864).

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

6818856 is a wasteful number, since it uses less digits than its factorization.

6818856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1166 (or 1162 counting only the distinct ones).

The product of its digits is 92160, while the sum is 42.

The square root of 6818856 is about 2611.2939321340. The cubic root of 6818856 is about 189.6286004319.

The spelling of 6818856 in words is "six million, eight hundred eighteen thousand, eight hundred fifty-six".