6386671 has 2 divisors, whose sum is σ = 6386672. Its totient is φ = 6386670.

The previous prime is 6386669. The next prime is 6386683. The reversal of 6386671 is 1766836.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 6386671 - 2¹ = 6386669 is a prime.

Together with 6386669, it forms a pair of twin primes.

It is a Chen prime.

6386671 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 6386671.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6386621) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193335 + 3193336.

It is an arithmetic number, because the mean of its divisors is an integer number (3193336).

Almost surely, 2^6386671 is an apocalyptic number.

6386671 is a deficient number, since it is larger than the sum of its proper divisors (1).

6386671 is an equidigital number, since it uses as much as digits as its factorization.

6386671 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 36288, while the sum is 37.

The square root of 6386671 is about 2527.1863801469. The cubic root of 6386671 is about 185.5345726423.

The spelling of 6386671 in words is "six million, three hundred eighty-six thousand, six hundred seventy-one".