99549324 has 84 divisors (see below), whose sum is σ = 298572624. Its totient is φ = 28436832.

The previous prime is 99549323. The next prime is 99549349. The reversal of 99549324 is 42394599.

It is a happy number.

It is a tau number, because it is divible by the number of its divisors (84).

It is a self number, because there is not a number n which added to its sum of digits gives 99549324.

It is not an unprimeable number, because it can be changed into a prime (99549323) by changing a digit.

It is a polite number, since it can be written in 27 ways as a sum of consecutive naturals, for example, 17974 + ... + 22850.

It is an arithmetic number, because the mean of its divisors is an integer number (3554436).

Almost surely, 2^99549324 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 99549324, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (149286312).

99549324 is an abundant number, since it is smaller than the sum of its proper divisors (199023300).

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

99549324 is a wasteful number, since it uses less digits than its factorization.

99549324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4906 (or 4889 counting only the distinct ones).

The product of its digits is 349920, while the sum is 45.

The square root of 99549324 is about 9977.4407540210. The cubic root of 99549324 is about 463.4605490034.

The spelling of 99549324 in words is "ninety-nine million, five hundred forty-nine thousand, three hundred twenty-four".