9813804 has 192 divisors, whose sum is σ = 33116160. Its totient is φ = 2177280.

The previous prime is 9813787. The next prime is 9813827. The reversal of 9813804 is 4083189.

It is a Harshad number since it is a multiple of its sum of digits (33).

It is an unprimeable number.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 228207 + ... + 228249.

It is an arithmetic number, because the mean of its divisors is an integer number (172480).

Almost surely, 2^9813804 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 9813804, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16558080).

9813804 is an abundant number, since it is smaller than the sum of its proper divisors (23302356).

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

9813804 is a wasteful number, since it uses less digits than its factorization.

9813804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 100 (or 98 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 33.

The square root of 9813804 is about 3132.6991556803. The cubic root of 9813804 is about 214.0979258932.

The spelling of 9813804 in words is "nine million, eight hundred thirteen thousand, eight hundred four".