99924189 has 8 divisors (see below), whose sum is σ = 133278432. Its totient is φ = 66593040.

The previous prime is 99924179. The next prime is 99924203. The reversal of 99924189 is 98142999.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 99924189 - 2²⁰ = 98875613 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (99924109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14119 + ... + 19979.

It is an arithmetic number, because the mean of its divisors is an integer number (16659804).

Almost surely, 2^99924189 is an apocalyptic number.

It is an amenable number.

99924189 is a deficient number, since it is larger than the sum of its proper divisors (33354243).

99924189 is a wasteful number, since it uses less digits than its factorization.

99924189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11547.

The product of its digits is 419904, while the sum is 51.

The square root of 99924189 is about 9996.2087313141. The cubic root of 99924189 is about 464.0415592111.

The spelling of 99924189 in words is "ninety-nine million, nine hundred twenty-four thousand, one hundred eighty-nine".