6881130 has 48 divisors (see below), whose sum is σ = 18091944. Its totient is φ = 1814400.

The previous prime is 6881123. The next prime is 6881131. The reversal of 6881130 is 311886.

It can be written as a sum of positive squares in 4 ways, for example, as 6796449 + 84681 = 2607^2 + 291^2 .

It is a junction number, because it is equal to n+sod(n) for n = 6881094 and 6881103.

It is not an unprimeable number, because it can be changed into a prime (6881131) 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, 8712 + ... + 9468.

Almost surely, 2^6881130 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 6881130, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (9045972).

6881130 is an abundant number, since it is smaller than the sum of its proper divisors (11210814).

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

6881130 is a wasteful number, since it uses less digits than its factorization.

6881130 is an odious number, because the sum of its binary digits is odd.

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

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 6881130 is about 2623.1908051074. The cubic root of 6881130 is about 190.2041204281.

The spelling of 6881130 in words is "six million, eight hundred eighty-one thousand, one hundred thirty".