6881841 has 10 divisors (see below), whose sum is σ = 10280402. Its totient is φ = 4587840.

The previous prime is 6881839. The next prime is 6881843. The reversal of 6881841 is 1481886.

It is an interprime number because it is at equal distance from previous prime (6881839) and next prime (6881843).

It can be written as a sum of positive squares in only one way, i.e., 6350400 + 531441 = 2520^2 + 729^2 .

It is not a de Polignac number, because 6881841 - 2¹ = 6881839 is a prime.

It is a Duffinian number.

6881841 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 6881796 and 6881805.

It is not an unprimeable number, because it can be changed into a prime (6881843) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 42400 + ... + 42561.

Almost surely, 2^6881841 is an apocalyptic number.

It is an amenable number.

6881841 is a deficient number, since it is larger than the sum of its proper divisors (3398561).

6881841 is an equidigital number, since it uses as much as digits as its factorization.

6881841 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 84973 (or 84964 counting only the distinct ones).

The product of its digits is 12288, while the sum is 36.

The square root of 6881841 is about 2623.3263235823. The cubic root of 6881841 is about 190.2106712161.

The spelling of 6881841 in words is "six million, eight hundred eighty-one thousand, eight hundred forty-one".