9866946 has 8 divisors (see below), whose sum is σ = 19733904. Its totient is φ = 3288980.

The previous prime is 9866903. The next prime is 9866951. The reversal of 9866946 is 6496689.

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

9866946 is an admirable number.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 9866895 and 9866904.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 822240 + ... + 822251.

It is an arithmetic number, because the mean of its divisors is an integer number (2466738).

Almost surely, 2^9866946 is an apocalyptic number.

9866946 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.

9866946 is a wasteful number, since it uses less digits than its factorization.

9866946 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1644496.

The product of its digits is 559872, while the sum is 48.

The square root of 9866946 is about 3141.1695274213. The cubic root of 9866946 is about 214.4836790251.

The spelling of 9866946 in words is "nine million, eight hundred sixty-six thousand, nine hundred forty-six".