6386687 has 2 divisors, whose sum is σ = 6386688. Its totient is φ = 6386686.

The previous prime is 6386683. The next prime is 6386711. The reversal of 6386687 is 7866836.

6386687 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 is a cyclic number.

It is not a de Polignac number, because 6386687 - 2² = 6386683 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6386683) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3193343 + 3193344.

It is an arithmetic number, because the mean of its divisors is an integer number (3193344).

Almost surely, 2^6386687 is an apocalyptic number.

6386687 is a deficient number, since it is larger than the sum of its proper divisors (1).

6386687 is an equidigital number, since it uses as much as digits as its factorization.

6386687 is an evil number, because the sum of its binary digits is even.

The product of its digits is 290304, while the sum is 44.

The square root of 6386687 is about 2527.1895457207. The cubic root of 6386687 is about 185.5347275770.

The spelling of 6386687 in words is "six million, three hundred eighty-six thousand, six hundred eighty-seven".