9840366 has 80 divisors (see below), whose sum is σ = 24393600. Its totient is φ = 2950992.

The previous prime is 9840349. The next prime is 9840373. The reversal of 9840366 is 6630489.

It is a self number, because there is not a number n which added to its sum of digits gives 9840366.

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 39 ways as a sum of consecutive naturals, for example, 70725 + ... + 70863.

It is an arithmetic number, because the mean of its divisors is an integer number (304920).

Almost surely, 2^9840366 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9840366, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12196800).

9840366 is an abundant number, since it is smaller than the sum of its proper divisors (14553234).

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

9840366 is a wasteful number, since it uses less digits than its factorization.

9840366 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 195 (or 186 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 36.

The square root of 9840366 is about 3136.9357659984. The cubic root of 9840366 is about 214.2909107311.

The spelling of 9840366 in words is "nine million, eight hundred forty thousand, three hundred sixty-six".