99873216 has 112 divisors (see below), whose sum is σ = 303885600. Its totient is φ = 32126976.

The previous prime is 99873203. The next prime is 99873217. The reversal of 99873216 is 61237899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99873217) 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, 49116 + ... + 51108.

Almost surely, 2^99873216 is an apocalyptic number.

99873216 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 99873216, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (151942800).

99873216 is an abundant number, since it is smaller than the sum of its proper divisors (204012384).

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

99873216 is a wasteful number, since it uses less digits than its factorization.

99873216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2043 (or 2027 counting only the distinct ones).

The product of its digits is 163296, while the sum is 45.

The square root of 99873216 is about 9993.6587894524. The cubic root of 99873216 is about 463.9626406702.

It can be divided in two parts, 9987 and 3216, that added together give a triangular number (13203 = T₁₆₂).

The spelling of 99873216 in words is "ninety-nine million, eight hundred seventy-three thousand, two hundred sixteen".