8644066 has 8 divisors (see below), whose sum is σ = 13178844. Its totient is φ = 4251120.

The previous prime is 8644061. The next prime is 8644081. The reversal of 8644066 is 6604468.

8644066 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 8579041 + 65025 = 2929^2 + 255^2 .

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 (8644061) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 35305 + ... + 35548.

Almost surely, 2^8644066 is an apocalyptic number.

8644066 is a deficient number, since it is larger than the sum of its proper divisors (4534778).

8644066 is a wasteful number, since it uses less digits than its factorization.

8644066 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 70916.

The product of its (nonzero) digits is 27648, while the sum is 34.

The square root of 8644066 is about 2940.0792506325. The cubic root of 8644066 is about 205.2292972671.

The spelling of 8644066 in words is "eight million, six hundred forty-four thousand, sixty-six".