99884 has 6 divisors (see below), whose sum is σ = 174804. Its totient is φ = 49940.

The previous prime is 99881. The next prime is 99901. The reversal of 99884 is 48899.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (99881) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 12482 + ... + 12489.

It is an arithmetic number, because the mean of its divisors is an integer number (29134).

2⁹⁹⁸⁸⁴ is an apocalyptic number.

It is an amenable number.

99884 is a deficient number, since it is larger than the sum of its proper divisors (74920).

99884 is a wasteful number, since it uses less digits than its factorization.

99884 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 24975 (or 24973 counting only the distinct ones).

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

The square root of 99884 is about 316.0443006922. The cubic root of 99884 is about 46.3979339151.

The spelling of 99884 in words is "ninety-nine thousand, eight hundred eighty-four".