8008666 has 16 divisors (see below), whose sum is σ = 12842280. Its totient is φ = 3732480.

The previous prime is 8008643. The next prime is 8008667. The reversal of 8008666 is 6668008.

8008666 = 371² + 372² + ... + 421².

It is a happy number.

It can be written as a sum of positive squares in 4 ways, for example, as 7958041 + 50625 = 2821^2 + 225^2 .

It is a Harshad number since it is a multiple of its sum of digits (34).

It is not an unprimeable number, because it can be changed into a prime (8008667) 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, 2626 + ... + 4786.

Almost surely, 2^8008666 is an apocalyptic number.

8008666 is a deficient number, since it is larger than the sum of its proper divisors (4833614).

8008666 is a wasteful number, since it uses less digits than its factorization.

8008666 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2289.

The product of its (nonzero) digits is 13824, while the sum is 34.

The square root of 8008666 is about 2829.9586569418. The cubic root of 8008666 is about 200.0721906061.

The spelling of 8008666 in words is "eight million, eight thousand, six hundred sixty-six".