8535666 has 32 divisors (see below), whose sum is σ = 18360000. Its totient is φ = 2635776.

The previous prime is 8535661. The next prime is 8535673. The reversal of 8535666 is 6665358.

It is not an unprimeable number, because it can be changed into a prime (8535661) 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 15 ways as a sum of consecutive naturals, for example, 6210 + ... + 7458.

It is an arithmetic number, because the mean of its divisors is an integer number (573750).

Almost surely, 2^8535666 is an apocalyptic number.

8535666 is an abundant number, since it is smaller than the sum of its proper divisors (9824334).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

8535666 is a wasteful number, since it uses less digits than its factorization.

8535666 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1338.

The product of its digits is 129600, while the sum is 39.

The square root of 8535666 is about 2921.5862130014. The cubic root of 8535666 is about 204.3678005301.

The spelling of 8535666 in words is "eight million, five hundred thirty-five thousand, six hundred sixty-six".