9900884 has 12 divisors (see below), whose sum is σ = 19801824. Its totient is φ = 4243224.

The previous prime is 9900883. The next prime is 9900889. The reversal of 9900884 is 4880099.

9900884 is an admirable number.

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, 176774 + ... + 176829.

It is an arithmetic number, because the mean of its divisors is an integer number (1650152).

Almost surely, 2^9900884 is an apocalyptic number.

It is an amenable number.

9900884 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9900884 is a wasteful number, since it uses less digits than its factorization.

9900884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 353614 (or 353612 counting only the distinct ones).

The product of its (nonzero) digits is 20736, while the sum is 38.

The square root of 9900884 is about 3146.5670181962. The cubic root of 9900884 is about 214.7293077911.

The spelling of 9900884 in words is "nine million, nine hundred thousand, eight hundred eighty-four".