8686671 has 12 divisors (see below), whose sum is σ = 13473432. Its totient is φ = 4963728.

The previous prime is 8686669. The next prime is 8686679. The reversal of 8686671 is 1766868.

It is not a de Polignac number, because 8686671 - 2¹ = 8686669 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686679) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 29400 + ... + 29693.

It is an arithmetic number, because the mean of its divisors is an integer number (1122786).

Almost surely, 2^8686671 is an apocalyptic number.

8686671 is a deficient number, since it is larger than the sum of its proper divisors (4786761).

8686671 is a wasteful number, since it uses less digits than its factorization.

8686671 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 59110 (or 59103 counting only the distinct ones).

The product of its digits is 96768, while the sum is 42.

The square root of 8686671 is about 2947.3158975583. The cubic root of 8686671 is about 205.5659238771.

The spelling of 8686671 in words is "eight million, six hundred eighty-six thousand, six hundred seventy-one".