6386871 has 8 divisors (see below), whose sum is σ = 8676720. Its totient is φ = 4177472.

The previous prime is 6386839. The next prime is 6386923. The reversal of 6386871 is 1786836.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 6386871 - 2⁵ = 6386839 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6386371) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19926 + ... + 20243.

It is an arithmetic number, because the mean of its divisors is an integer number (1084590).

Almost surely, 2^6386871 is an apocalyptic number.

6386871 is a deficient number, since it is larger than the sum of its proper divisors (2289849).

6386871 is a wasteful number, since it uses less digits than its factorization.

6386871 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 40225.

The product of its digits is 48384, while the sum is 39.

The square root of 6386871 is about 2527.2259495344. The cubic root of 6386871 is about 185.5365093073.

The spelling of 6386871 in words is "six million, three hundred eighty-six thousand, eight hundred seventy-one".