8666411 has 4 divisors (see below), whose sum is σ = 9333072. Its totient is φ = 7999752.

The previous prime is 8666393. The next prime is 8666417. The reversal of 8666411 is 1146668.

It is a happy number.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 8666411 - 2⁶ = 8666347 is a prime.

It is a Duffinian number.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (8666417) 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 3 ways as a sum of consecutive naturals, for example, 333311 + ... + 333336.

It is an arithmetic number, because the mean of its divisors is an integer number (2333268).

Almost surely, 2^8666411 is an apocalyptic number.

8666411 is a deficient number, since it is larger than the sum of its proper divisors (666661).

8666411 is a wasteful number, since it uses less digits than its factorization.

8666411 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 666660.

The product of its digits is 6912, while the sum is 32.

The square root of 8666411 is about 2943.8768656314. The cubic root of 8666411 is about 205.4059850597.

The spelling of 8666411 in words is "eight million, six hundred sixty-six thousand, four hundred eleven".