9804816 has 120 divisors (see below), whose sum is σ = 32033664. Its totient is φ = 2741760.

The previous prime is 9804803. The next prime is 9804829. The reversal of 9804816 is 6184089.

It is a happy number.

It is an interprime number because it is at equal distance from previous prime (9804803) and next prime (9804829).

It is a super-2 number, since 2×9804816² = 192268833587712, which contains 22 as substring.

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

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 71500 + ... + 71636.

Almost surely, 2^9804816 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 9804816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16016832).

9804816 is an abundant number, since it is smaller than the sum of its proper divisors (22228848).

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

9804816 is a wasteful number, since it uses less digits than its factorization.

9804816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 220 counting only the distinct ones).

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

The square root of 9804816 is about 3131.2642814046. The cubic root of 9804816 is about 214.0325452002.

The spelling of 9804816 in words is "nine million, eight hundred four thousand, eight hundred sixteen".