8966663 has 8 divisors (see below), whose sum is σ = 9178368. Its totient is φ = 8757504.

The previous prime is 8966653. The next prime is 8966669. The reversal of 8966663 is 3666698.

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

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8966663 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8966669) 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, 7706 + ... + 8792.

It is an arithmetic number, because the mean of its divisors is an integer number (1147296).

Almost surely, 2^8966663 is an apocalyptic number.

8966663 is a deficient number, since it is larger than the sum of its proper divisors (211705).

8966663 is a wasteful number, since it uses less digits than its factorization.

8966663 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1273.

The product of its digits is 279936, while the sum is 44.

The square root of 8966663 is about 2994.4386786174. The cubic root of 8966663 is about 207.7512358236.

The spelling of 8966663 in words is "eight million, nine hundred sixty-six thousand, six hundred sixty-three".