6486841 has 2 divisors, whose sum is σ = 6486842. Its totient is φ = 6486840.

The previous prime is 6486839. The next prime is 6486869. The reversal of 6486841 is 1486846.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4515625 + 1971216 = 2125^2 + 1404^2 .

It is a cyclic number.

It is not a de Polignac number, because 6486841 - 2¹ = 6486839 is a prime.

Together with 6486839, it forms a pair of twin primes.

It is a self number, because there is not a number n which added to its sum of digits gives 6486841.

It is not a weakly prime, because it can be changed into another prime (6486811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3243420 + 3243421.

It is an arithmetic number, because the mean of its divisors is an integer number (3243421).

Almost surely, 2^6486841 is an apocalyptic number.

It is an amenable number.

6486841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6486841 is an equidigital number, since it uses as much as digits as its factorization.

6486841 is an evil number, because the sum of its binary digits is even.

The product of its digits is 36864, while the sum is 37.

The square root of 6486841 is about 2546.9277571223. The cubic root of 6486841 is about 186.4995340044.

The spelling of 6486841 in words is "six million, four hundred eighty-six thousand, eight hundred forty-one".