8664997 has 16 divisors (see below), whose sum is σ = 10212480. Its totient is φ = 7268800.

The previous prime is 8664991. The next prime is 8665021. The reversal of 8664997 is 7994668.

8664997 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 8664997 - 2⁷ = 8664869 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 8664997.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8664991) 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 15 ways as a sum of consecutive naturals, for example, 6747 + ... + 7927.

It is an arithmetic number, because the mean of its divisors is an integer number (638280).

Almost surely, 2^8664997 is an apocalyptic number.

It is an amenable number.

8664997 is a deficient number, since it is larger than the sum of its proper divisors (1547483).

8664997 is a wasteful number, since it uses less digits than its factorization.

8664997 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1244.

The product of its digits is 653184, while the sum is 49.

The square root of 8664997 is about 2943.6366963333. The cubic root of 8664997 is about 205.3948131971.

The spelling of 8664997 in words is "eight million, six hundred sixty-four thousand, nine hundred ninety-seven".