99808224 has 96 divisors (see below), whose sum is σ = 289578240. Its totient is φ = 29939712.

The previous prime is 99808223. The next prime is 99808231. The reversal of 99808224 is 42280899.

99808224 = T₆₁ + T₆₂ + ... + T₈₄₂.

It is a tau number, because it is divible by the number of its divisors (96).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99808223) 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, 36207 + ... + 38865.

It is an arithmetic number, because the mean of its divisors is an integer number (3016440).

Almost surely, 2^99808224 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 99808224, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (144789120).

99808224 is an abundant number, since it is smaller than the sum of its proper divisors (189770016).

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

99808224 is a wasteful number, since it uses less digits than its factorization.

99808224 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2712 (or 2704 counting only the distinct ones).

The product of its (nonzero) digits is 82944, while the sum is 42.

The square root of 99808224 is about 9990.4065983322. The cubic root of 99808224 is about 463.8619783694.

The spelling of 99808224 in words is "ninety-nine million, eight hundred eight thousand, two hundred twenty-four".