6843881 has 12 divisors (see below), whose sum is σ = 7590576. Its totient is φ = 6165720.

The previous prime is 6843869. The next prime is 6843899. The reversal of 6843881 is 1883486.

It is a de Polignac number, because none of the positive numbers 2^k-6843881 is a prime.

It is a super-2 number, since 2×6843881² = 93677414284322, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6843821) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 19550 + ... + 19896.

It is an arithmetic number, because the mean of its divisors is an integer number (632548).

Almost surely, 2^6843881 is an apocalyptic number.

It is an amenable number.

6843881 is a deficient number, since it is larger than the sum of its proper divisors (746695).

6843881 is a wasteful number, since it uses less digits than its factorization.

6843881 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 532 (or 521 counting only the distinct ones).

The product of its digits is 36864, while the sum is 38.

The square root of 6843881 is about 2616.0812296257. The cubic root of 6843881 is about 189.8602943458.

The spelling of 6843881 in words is "six million, eight hundred forty-three thousand, eight hundred eighty-one".