9969804 has 84 divisors (see below), whose sum is σ = 28278096. Its totient is φ = 3055968.

The previous prime is 9969797. The next prime is 9969809. The reversal of 9969804 is 4089699.

It is a self number, because there is not a number n which added to its sum of digits gives 9969804.

It is not an unprimeable number, because it can be changed into a prime (9969809) by changing a digit.

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 27 ways as a sum of consecutive naturals, for example, 37777 + ... + 38039.

It is an arithmetic number, because the mean of its divisors is an integer number (336644).

Almost surely, 2^9969804 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 9969804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14139048).

9969804 is an abundant number, since it is smaller than the sum of its proper divisors (18308292).

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

9969804 is a wasteful number, since it uses less digits than its factorization.

9969804 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 298 (or 281 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 45.

The square root of 9969804 is about 3157.4996437054. The cubic root of 9969804 is about 215.2263993355.

The spelling of 9969804 in words is "nine million, nine hundred sixty-nine thousand, eight hundred four".