99437328 has 160 divisors (see below), whose sum is σ = 300516480. Its totient is φ = 31449600.

The previous prime is 99437309. The next prime is 99437339. The reversal of 99437328 is 82373499.

It is a happy number.

It is an unprimeable number.

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 31 ways as a sum of consecutive naturals, for example, 984478 + ... + 984578.

It is an arithmetic number, because the mean of its divisors is an integer number (1878228).

Almost surely, 2^99437328 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 99437328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (150258240).

99437328 is an abundant number, since it is smaller than the sum of its proper divisors (201079152).

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

99437328 is a wasteful number, since it uses less digits than its factorization.

99437328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 214 (or 202 counting only the distinct ones).

The product of its digits is 326592, while the sum is 45.

The square root of 99437328 is about 9971.8267132958. The cubic root of 99437328 is about 463.2866814072.

It can be divided in two parts, 9943 and 7328, that added together give a palindrome (17271).

The spelling of 99437328 in words is "ninety-nine million, four hundred thirty-seven thousand, three hundred twenty-eight".