9903880 has 96 divisors (see below), whose sum is σ = 26922240. Its totient is φ = 3265920.

The previous prime is 9903871. The next prime is 9903913. The reversal of 9903880 is 883099.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 60679 + ... + 60841.

It is an arithmetic number, because the mean of its divisors is an integer number (280440).

Almost surely, 2^9903880 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 9903880, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13461120).

9903880 is an abundant number, since it is smaller than the sum of its proper divisors (17018360).

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

9903880 is a wasteful number, since it uses less digits than its factorization.

9903880 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 219 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 15552, while the sum is 37.

The square root of 9903880 is about 3147.0430565850. The cubic root of 9903880 is about 214.7509645821.

The spelling of 9903880 in words is "nine million, nine hundred three thousand, eight hundred eighty".