8573866 has 16 divisors (see below), whose sum is σ = 14736960. Its totient is φ = 3664800.

The previous prime is 8573849. The next prime is 8573869. The reversal of 8573866 is 6683758.

8573866 is nontrivially palindromic in base 3.

8573866 is an esthetic number in base 3, because in such base its adjacent digits differ by 1.

It is a super-2 number, since 2×8573866² = 147022356371912, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8573869) 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 7 ways as a sum of consecutive naturals, for example, 7905 + ... + 8923.

It is an arithmetic number, because the mean of its divisors is an integer number (921060).

Almost surely, 2^8573866 is an apocalyptic number.

8573866 is a deficient number, since it is larger than the sum of its proper divisors (6163094).

8573866 is a wasteful number, since it uses less digits than its factorization.

8573866 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1629.

The product of its digits is 241920, while the sum is 43.

The square root of 8573866 is about 2928.1164594326. The cubic root of 8573866 is about 204.6722185938.

The spelling of 8573866 in words is "eight million, five hundred seventy-three thousand, eight hundred sixty-six".