9686866 has 8 divisors (see below), whose sum is σ = 16606080. Its totient is φ = 4151508.

The previous prime is 9686851. The next prime is 9686867. The reversal of 9686866 is 6686869.

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

It is not an unprimeable number, because it can be changed into a prime (9686867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 345946 + ... + 345973.

It is an arithmetic number, because the mean of its divisors is an integer number (2075760).

Almost surely, 2^9686866 is an apocalyptic number.

9686866 is a deficient number, since it is larger than the sum of its proper divisors (6919214).

9686866 is a wasteful number, since it uses less digits than its factorization.

9686866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 691928.

The product of its digits is 746496, while the sum is 49.

The square root of 9686866 is about 3112.3730496199. The cubic root of 9686866 is about 213.1708240461.

The spelling of 9686866 in words is "nine million, six hundred eighty-six thousand, eight hundred sixty-six".