9838816 has 48 divisors (see below), whose sum is σ = 21231504. Its totient is φ = 4460544.

The previous prime is 9838813. The next prime is 9838823. The reversal of 9838816 is 6188389.

It is a happy number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9838813) 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, 27696 + ... + 28048.

It is an arithmetic number, because the mean of its divisors is an integer number (442323).

Almost surely, 2^9838816 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 9838816, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10615752).

9838816 is an abundant number, since it is smaller than the sum of its proper divisors (11392688).

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

9838816 is a wasteful number, since it uses less digits than its factorization.

9838816 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 443 (or 435 counting only the distinct ones).

The product of its digits is 82944, while the sum is 43.

The square root of 9838816 is about 3136.6886998872. The cubic root of 9838816 is about 214.2796588342.

The spelling of 9838816 in words is "nine million, eight hundred thirty-eight thousand, eight hundred sixteen".