6427686 has 16 divisors (see below), whose sum is σ = 13011264. Its totient is φ = 2116584.

The previous prime is 6427679. The next prime is 6427703. The reversal of 6427686 is 6867246.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5956 + ... + 6951.

It is an arithmetic number, because the mean of its divisors is an integer number (813204).

Almost surely, 2^6427686 is an apocalyptic number.

6427686 is an abundant number, since it is smaller than the sum of its proper divisors (6583578).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6427686 is a wasteful number, since it uses less digits than its factorization.

6427686 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12995.

The product of its digits is 96768, while the sum is 39.

The square root of 6427686 is about 2535.2881493037. The cubic root of 6427686 is about 185.9308911946.

The spelling of 6427686 in words is "six million, four hundred twenty-seven thousand, six hundred eighty-six".