9900132 has 48 divisors (see below), whose sum is σ = 25401600. Its totient is φ = 2976160.

The previous prime is 9900119. The next prime is 9900139. The reversal of 9900132 is 2310099.

It is a happy number.

It is a super-2 number, since 2×9900132² = 196025227234848, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9900139) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23419 + ... + 23837.

It is an arithmetic number, because the mean of its divisors is an integer number (529200).

Almost surely, 2^9900132 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 9900132, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (12700800).

9900132 is an abundant number, since it is smaller than the sum of its proper divisors (15501468).

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

9900132 is a wasteful number, since it uses less digits than its factorization.

9900132 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 616 (or 614 counting only the distinct ones).

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 9900132 is about 3146.4475206175. The cubic root of 9900132 is about 214.7238712217.

The spelling of 9900132 in words is "nine million, nine hundred thousand, one hundred thirty-two".