8666049 has 16 divisors (see below), whose sum is σ = 13388672. Its totient is φ = 4883328.

The previous prime is 8666027. The next prime is 8666051. The reversal of 8666049 is 9406668.

It is not a de Polignac number, because 8666049 - 2⁵ = 8666017 is a prime.

It is a Smith number, since the sum of its digits (39) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 8665998 and 8666016.

It is not an unprimeable number, because it can be changed into a prime (8666059) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1294 + ... + 4359.

It is an arithmetic number, because the mean of its divisors is an integer number (836792).

Almost surely, 2^8666049 is an apocalyptic number.

It is an amenable number.

8666049 is a deficient number, since it is larger than the sum of its proper divisors (4722623).

8666049 is a wasteful number, since it uses less digits than its factorization.

8666049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5736.

The product of its (nonzero) digits is 62208, while the sum is 39.

The square root of 8666049 is about 2943.8153814395. The cubic root of 8666049 is about 205.4031250522.

The spelling of 8666049 in words is "eight million, six hundred sixty-six thousand, forty-nine".