9816804 has 36 divisors (see below), whose sum is σ = 24913980. Its totient is φ = 3259200.

The previous prime is 9816799. The next prime is 9816811. The reversal of 9816804 is 4086189.

It is a happy number.

9816804 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 5531904 + 4284900 = 2352^2 + 2070^2 .

It is a tau number, because it is divible by the number of its divisors (36).

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

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 13654 + ... + 14354.

It is an arithmetic number, because the mean of its divisors is an integer number (692055).

Almost surely, 2^9816804 is an apocalyptic number.

It is an amenable number.

9816804 is an abundant number, since it is smaller than the sum of its proper divisors (15097176).

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

9816804 is a wasteful number, since it uses less digits than its factorization.

9816804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1100 (or 1095 counting only the distinct ones).

The product of its (nonzero) digits is 13824, while the sum is 36.

The square root of 9816804 is about 3133.1779394091. The cubic root of 9816804 is about 214.1197396683.

The spelling of 9816804 in words is "nine million, eight hundred sixteen thousand, eight hundred four".