9900888 has 16 divisors (see below), whose sum is σ = 24752280. Its totient is φ = 3300288.

The previous prime is 9900883. The next prime is 9900889. The reversal of 9900888 is 8880099.

It is an Ulam number.

It is a zygodrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9900883) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 206245 + ... + 206292.

Almost surely, 2^9900888 is an apocalyptic number.

It is an amenable number.

9900888 is an abundant number, since it is smaller than the sum of its proper divisors (14851392).

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

9900888 is a wasteful number, since it uses less digits than its factorization.

9900888 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 412546 (or 412542 counting only the distinct ones).

The product of its (nonzero) digits is 41472, while the sum is 42.

The square root of 9900888 is about 3146.5676538095. The cubic root of 9900888 is about 214.7293367083.

The spelling of 9900888 in words is "nine million, nine hundred thousand, eight hundred eighty-eight".