99884484 has 72 divisors (see below), whose sum is σ = 290920448. Its totient is φ = 28304640.

The previous prime is 99884467. The next prime is 99884509. The reversal of 99884484 is 48448899.

It is a self number, because there is not a number n which added to its sum of digits gives 99884484.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 30444 + ... + 33564.

Almost surely, 2^99884484 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 99884484, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (145460224).

99884484 is an abundant number, since it is smaller than the sum of its proper divisors (191035964).

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

99884484 is a wasteful number, since it uses less digits than its factorization.

99884484 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3265 (or 3260 counting only the distinct ones).

The product of its digits is 2654208, while the sum is 54.

The square root of 99884484 is about 9994.2225310426. Note that the first 3 decimals coincide. The cubic root of 99884484 is about 463.9800885728.

The spelling of 99884484 in words is "ninety-nine million, eight hundred eighty-four thousand, four hundred eighty-four".