8666436 has 48 divisors (see below), whose sum is σ = 21067200. Its totient is φ = 2770560.

The previous prime is 8666431. The next prime is 8666443. The reversal of 8666436 is 6346668.

It is a super-2 number, since 2×8666436² = 150214225884192, which contains 22 as substring.

Its product of digits (124416) is a multiple of the sum of its prime factors (324).

It is a junction number, because it is equal to n+sod(n) for n = 8666394 and 8666403.

It is not an unprimeable number, because it can be changed into a prime (8666431) 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, 58090 + ... + 58238.

It is an arithmetic number, because the mean of its divisors is an integer number (438900).

Almost surely, 2^8666436 is an apocalyptic number.

It is an amenable number.

8666436 is an abundant number, since it is smaller than the sum of its proper divisors (12400764).

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

8666436 is a wasteful number, since it uses less digits than its factorization.

8666436 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 324 (or 322 counting only the distinct ones).

The product of its digits is 124416, while the sum is 39.

The square root of 8666436 is about 2943.8811117299. The cubic root of 8666436 is about 205.4061825711.

The spelling of 8666436 in words is "eight million, six hundred sixty-six thousand, four hundred thirty-six".