99009924 has 24 divisors (see below), whose sum is σ = 248794560. Its totient is φ = 30464544.

The previous prime is 99009923. The next prime is 99009929. The reversal of 99009924 is 42990099.

It is not an unprimeable number, because it can be changed into a prime (99009923) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 317184 + ... + 317495.

It is an arithmetic number, because the mean of its divisors is an integer number (10366440).

Almost surely, 2^99009924 is an apocalyptic number.

It is an amenable number.

99009924 is an abundant number, since it is smaller than the sum of its proper divisors (149784636).

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

99009924 is a wasteful number, since it uses less digits than its factorization.

99009924 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 634699 (or 634697 counting only the distinct ones).

The product of its (nonzero) digits is 52488, while the sum is 42.

The square root of 99009924 is about 9950.3730583330. The cubic root of 99009924 is about 462.6219580008.

The spelling of 99009924 in words is "ninety-nine million, nine thousand, nine hundred twenty-four".