6408841 has 2 divisors, whose sum is σ = 6408842. Its totient is φ = 6408840.

The previous prime is 6408839. The next prime is 6408851. The reversal of 6408841 is 1488046.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5861241 + 547600 = 2421^2 + 740^2 .

It is a cyclic number.

It is not a de Polignac number, because 6408841 - 2¹ = 6408839 is a prime.

Together with 6408839, it forms a pair of twin primes.

It is not a weakly prime, because it can be changed into another prime (6408811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3204420 + 3204421.

It is an arithmetic number, because the mean of its divisors is an integer number (3204421).

Almost surely, 2^6408841 is an apocalyptic number.

It is an amenable number.

6408841 is a deficient number, since it is larger than the sum of its proper divisors (1).

6408841 is an equidigital number, since it uses as much as digits as its factorization.

6408841 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 6144, while the sum is 31.

The square root of 6408841 is about 2531.5688811486. The cubic root of 6408841 is about 185.7490062725.

The spelling of 6408841 in words is "six million, four hundred eight thousand, eight hundred forty-one".