9840744 has 64 divisors (see below), whose sum is σ = 28296000. Its totient is φ = 3165120.

The previous prime is 9840731. The next prime is 9840751. The reversal of 9840744 is 4470489.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a junction number, because it is equal to n+sod(n) for n = 9840699 and 9840708.

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, 5479 + ... + 7049.

It is an arithmetic number, because the mean of its divisors is an integer number (442125).

Almost surely, 2^9840744 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 9840744, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14148000).

9840744 is an abundant number, since it is smaller than the sum of its proper divisors (18455256).

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

9840744 is a wasteful number, since it uses less digits than its factorization.

9840744 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1615 (or 1605 counting only the distinct ones).

The product of its (nonzero) digits is 32256, while the sum is 36.

The square root of 9840744 is about 3136.9960152987. The cubic root of 9840744 is about 214.2936545629.

The spelling of 9840744 in words is "nine million, eight hundred forty thousand, seven hundred forty-four".