9666384 has 80 divisors (see below), whose sum is σ = 30748032. Its totient is φ = 2548224.

The previous prime is 9666373. The next prime is 9666401. The reversal of 9666384 is 4836669.

It is a super-3 number, since 3×9666384³ (a number of 22 digits) contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3262 + ... + 5474.

Almost surely, 2^9666384 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9666384, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15374016).

9666384 is an abundant number, since it is smaller than the sum of its proper divisors (21081648).

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

9666384 is a wasteful number, since it uses less digits than its factorization.

9666384 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2244 (or 2238 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 9666384 is about 3109.0808931258. The cubic root of 9666384 is about 213.0204745687.

The spelling of 9666384 in words is "nine million, six hundred sixty-six thousand, three hundred eighty-four".