9923808 has 48 divisors (see below), whose sum is σ = 26248320. Its totient is φ = 3282816.

The previous prime is 9923803. The next prime is 9923819. The reversal of 9923808 is 8083299.

9923808 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (48).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9923803) 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, 15723 + ... + 16341.

It is an arithmetic number, because the mean of its divisors is an integer number (546840).

Almost surely, 2^9923808 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 9923808, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13124160).

9923808 is an abundant number, since it is smaller than the sum of its proper divisors (16324512).

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

9923808 is a wasteful number, since it uses less digits than its factorization.

9923808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 799 (or 791 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 39.

The square root of 9923808 is about 3150.2076122059. The cubic root of 9923808 is about 214.8949044679.

It can be divided in two parts, 9923 and 808, that added together give a triangular number (10731 = T₁₄₆).

The spelling of 9923808 in words is "nine million, nine hundred twenty-three thousand, eight hundred eight".