6881056 has 96 divisors (see below), whose sum is σ = 17781120. Its totient is φ = 2543616.

The previous prime is 6881047. The next prime is 6881057. The reversal of 6881056 is 6501886.

6881056 = 179² + 180² + ... + 297².

It is a happy number.

It is a hoax number, since the sum of its digits (34) coincides with the sum of the digits of its distinct prime factors.

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (6881057) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 49435 + ... + 49573.

It is an arithmetic number, because the mean of its divisors is an integer number (185220).

Almost surely, 2^6881056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6881056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8890560).

6881056 is an abundant number, since it is smaller than the sum of its proper divisors (10900064).

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

6881056 is a wasteful number, since it uses less digits than its factorization.

6881056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 186 (or 178 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 34.

The square root of 6881056 is about 2623.1767001100. The cubic root of 6881056 is about 190.2034386042.

The spelling of 6881056 in words is "six million, eight hundred eighty-one thousand, fifty-six".