9798784 has 32 divisors (see below), whose sum is σ = 20058300. Its totient is φ = 4764672.

The previous prime is 9798769. The next prime is 9798793. The reversal of 9798784 is 4878979.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 9784384 + 14400 = 3128^2 + 120^2 .

It is a tau number, because it is divible by the number of its divisors (32).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3702 + ... + 5770.

Almost surely, 2^9798784 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 9798784, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10029150).

9798784 is an abundant number, since it is smaller than the sum of its proper divisors (10259516).

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

9798784 is a wasteful number, since it uses less digits than its factorization.

9798784 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2120 (or 2108 counting only the distinct ones).

The product of its digits is 1016064, while the sum is 52.

The square root of 9798784 is about 3130.3009439988. The cubic root of 9798784 is about 213.9886446940.

The spelling of 9798784 in words is "nine million, seven hundred ninety-eight thousand, seven hundred eighty-four".