99171248 has 80 divisors (see below), whose sum is σ = 218881824. Its totient is φ = 43130880.

The previous prime is 99171229. The next prime is 99171253. The reversal of 99171248 is 84217199.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 631586 + ... + 631742.

Almost surely, 2^99171248 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 99171248, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (109440912).

99171248 is an abundant number, since it is smaller than the sum of its proper divisors (119710576).

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

99171248 is a wasteful number, since it uses less digits than its factorization.

99171248 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 310 (or 304 counting only the distinct ones).

The product of its digits is 36288, while the sum is 41.

The square root of 99171248 is about 9958.4761886546. The cubic root of 99171248 is about 462.8730827499.

The spelling of 99171248 in words is "ninety-nine million, one hundred seventy-one thousand, two hundred forty-eight".