9866706 has 8 divisors (see below), whose sum is σ = 19733424. Its totient is φ = 3288900.

The previous prime is 9866693. The next prime is 9866707. The reversal of 9866706 is 6076689.

It is a happy number.

9866706 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

9866706 is an admirable number.

It is not an unprimeable number, because it can be changed into a prime (9866707) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 822220 + ... + 822231.

It is an arithmetic number, because the mean of its divisors is an integer number (2466678).

Almost surely, 2^9866706 is an apocalyptic number.

9866706 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9866706 is a wasteful number, since it uses less digits than its factorization.

9866706 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1644456.

The product of its (nonzero) digits is 108864, while the sum is 42.

The square root of 9866706 is about 3141.1313248573. The cubic root of 9866706 is about 214.4819400034.

The spelling of 9866706 in words is "nine million, eight hundred sixty-six thousand, seven hundred six".