8686479 has 24 divisors (see below), whose sum is σ = 12583296. Its totient is φ = 5319600.

The previous prime is 8686471. The next prime is 8686487. The reversal of 8686479 is 9746868.

It is an interprime number because it is at equal distance from previous prime (8686471) and next prime (8686487).

It is not a de Polignac number, because 8686479 - 2³ = 8686471 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8686471) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 66244 + ... + 66374.

It is an arithmetic number, because the mean of its divisors is an integer number (524304).

Almost surely, 2^8686479 is an apocalyptic number.

8686479 is a deficient number, since it is larger than the sum of its proper divisors (3896817).

8686479 is a wasteful number, since it uses less digits than its factorization.

8686479 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 188 counting only the distinct ones).

The product of its digits is 580608, while the sum is 48.

The square root of 8686479 is about 2947.2833253693. The cubic root of 8686479 is about 205.5644093365.

The spelling of 8686479 in words is "eight million, six hundred eighty-six thousand, four hundred seventy-nine".