99138304 has 36 divisors (see below), whose sum is σ = 198758560. Its totient is φ = 49351680.

The previous prime is 99138293. The next prime is 99138313. The reversal of 99138304 is 40383199.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 68662 + ... + 70090.

Almost surely, 2^99138304 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 99138304, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (99379280).

99138304 is an abundant number, since it is smaller than the sum of its proper divisors (99620256).

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

99138304 is a wasteful number, since it uses less digits than its factorization.

99138304 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1716 (or 1702 counting only the distinct ones).

The product of its (nonzero) digits is 23328, while the sum is 37.

The square root of 99138304 is about 9956.8219829421. The cubic root of 99138304 is about 462.8218226654.

The spelling of 99138304 in words is "ninety-nine million, one hundred thirty-eight thousand, three hundred four".