9803816 has 32 divisors (see below), whose sum is σ = 20602080. Its totient is φ = 4334400.

The previous prime is 9803813. The next prime is 9803863. The reversal of 9803816 is 6183089.

It is a super-2 number, since 2×9803816² = 192229616323712, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9803813) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1751 + ... + 4761.

It is an arithmetic number, because the mean of its divisors is an integer number (643815).

Almost surely, 2^9803816 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 9803816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10301040).

9803816 is an abundant number, since it is smaller than the sum of its proper divisors (10798264).

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

9803816 is a wasteful number, since it uses less digits than its factorization.

9803816 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3065 (or 3061 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 35.

The square root of 9803816 is about 3131.1045974224. The cubic root of 9803816 is about 214.0252685101.

The spelling of 9803816 in words is "nine million, eight hundred three thousand, eight hundred sixteen".