8266686 has 8 divisors (see below), whose sum is σ = 16533384. Its totient is φ = 2755560.

The previous prime is 8266663. The next prime is 8266697. The reversal of 8266686 is 6866628.

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

8266686 is an admirable number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 688885 + ... + 688896.

It is an arithmetic number, because the mean of its divisors is an integer number (2066673).

Almost surely, 2^8266686 is an apocalyptic number.

8266686 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

8266686 is a wasteful number, since it uses less digits than its factorization.

8266686 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1377786.

The product of its digits is 165888, while the sum is 42.

The square root of 8266686 is about 2875.1845158181. The cubic root of 8266686 is about 202.1981358200.

The spelling of 8266686 in words is "eight million, two hundred sixty-six thousand, six hundred eighty-six".