6842881 has 2 divisors, whose sum is σ = 6842882. Its totient is φ = 6842880.

The previous prime is 6842873. The next prime is 6842893. The reversal of 6842881 is 1882486.

6842881 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6713281 + 129600 = 2591^2 + 360^2 .

It is a cyclic number.

It is not a de Polignac number, because 6842881 - 2³ = 6842873 is a prime.

It is a super-2 number, since 2×6842881² = 93650040760322, which contains 22 as substring.

6842881 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6842881.

It is not a weakly prime, because it can be changed into another prime (6842821) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3421440 + 3421441.

It is an arithmetic number, because the mean of its divisors is an integer number (3421441).

Almost surely, 2^6842881 is an apocalyptic number.

It is an amenable number.

6842881 is a deficient number, since it is larger than the sum of its proper divisors (1).

6842881 is an equidigital number, since it uses as much as digits as its factorization.

6842881 is an evil number, because the sum of its binary digits is even.

The product of its digits is 24576, while the sum is 37.

The square root of 6842881 is about 2615.8900970798. The cubic root of 6842881 is about 189.8510466913.

The spelling of 6842881 in words is "six million, eight hundred forty-two thousand, eight hundred eighty-one".