8664918 has 16 divisors (see below), whose sum is σ = 17386176. Its totient is φ = 2878920.

The previous prime is 8664907. The next prime is 8664941. The reversal of 8664918 is 8194668.

It is a self number, because there is not a number n which added to its sum of digits gives 8664918.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 196 + ... + 4167.

It is an arithmetic number, because the mean of its divisors is an integer number (1086636).

Almost surely, 2^8664918 is an apocalyptic number.

8664918 is an abundant number, since it is smaller than the sum of its proper divisors (8721258).

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

8664918 is a wasteful number, since it uses less digits than its factorization.

8664918 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4699.

The product of its digits is 82944, while the sum is 42.

The square root of 8664918 is about 2943.6232775272. The cubic root of 8664918 is about 205.3941889907.

The spelling of 8664918 in words is "eight million, six hundred sixty-four thousand, nine hundred eighteen".