8686706 has 16 divisors (see below), whose sum is σ = 14961024. Its totient is φ = 3705504.

The previous prime is 8686703. The next prime is 8686721. The reversal of 8686706 is 6076868.

It is a super-2 number, since 2×8686706² = 150917722260872, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (8686703) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1931 + ... + 4593.

It is an arithmetic number, because the mean of its divisors is an integer number (935064).

Almost surely, 2^8686706 is an apocalyptic number.

8686706 is a deficient number, since it is larger than the sum of its proper divisors (6274318).

8686706 is a wasteful number, since it uses less digits than its factorization.

8686706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2905.

The product of its (nonzero) digits is 96768, while the sum is 41.

The square root of 8686706 is about 2947.3218351581. The cubic root of 8686706 is about 205.5661999628.

It can be divided in two parts, 8686 and 706, that multiplied together give a palindrome (6132316).

The spelling of 8686706 in words is "eight million, six hundred eighty-six thousand, seven hundred six".