99500500 has 96 divisors (see below), whose sum is σ = 241113600. Its totient is φ = 35568000.

The previous prime is 99500449. The next prime is 99500501. The reversal of 99500500 is 500599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99500501) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 434386 + ... + 434614.

It is an arithmetic number, because the mean of its divisors is an integer number (2511600).

Almost surely, 2^99500500 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 99500500, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (120556800).

99500500 is an abundant number, since it is smaller than the sum of its proper divisors (141613100).

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

99500500 is a wasteful number, since it uses less digits than its factorization.

99500500 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 338 (or 326 counting only the distinct ones).

The product of its (nonzero) digits is 2025, while the sum is 28.

The square root of 99500500 is about 9974.9937343339. The cubic root of 99500500 is about 463.3847684849.

It can be divided in two parts, 99500 and 500, that added together give a 5-th power (100000 = 10⁵).

The spelling of 99500500 in words is "ninety-nine million, five hundred thousand, five hundred".