8666706 has 32 divisors (see below), whose sum is σ = 17987328. Its totient is φ = 2782080.

The previous prime is 8666683. The next prime is 8666711. The reversal of 8666706 is 6076668.

It is a super-2 number, since 2×8666706² = 150223585780872, which contains 22 as substring.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 20376 + ... + 20796.

It is an arithmetic number, because the mean of its divisors is an integer number (562104).

Almost surely, 2^8666706 is an apocalyptic number.

8666706 is an abundant number, since it is smaller than the sum of its proper divisors (9320622).

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

8666706 is a wasteful number, since it uses less digits than its factorization.

8666706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 546.

The product of its (nonzero) digits is 72576, while the sum is 39.

The square root of 8666706 is about 2943.9269692029. The cubic root of 8666706 is about 205.4083156699.

The spelling of 8666706 in words is "eight million, six hundred sixty-six thousand, seven hundred six".