9993500328 has 128 divisors (see below), whose sum is σ = 29007072000. Its totient is φ = 2810228736.

The previous prime is 9993500323. The next prime is 9993500339. The reversal of 9993500328 is 8230053999.

It is a super-2 number, since 2×9993500328² (a number of 21 digits) contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9993500323) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 2826850 + ... + 2830382.

It is an arithmetic number, because the mean of its divisors is an integer number (226617750).

Almost surely, 2^9993500328 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 9993500328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14503536000).

9993500328 is an abundant number, since it is smaller than the sum of its proper divisors (19013571672).

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

9993500328 is a wasteful number, since it uses less digits than its factorization.

9993500328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3811 (or 3807 counting only the distinct ones).

The product of its (nonzero) digits is 524880, while the sum is 48.

The square root of 9993500328 is about 99967.4963575661. The cubic root of 9993500328 is about 2153.9678182391.

The spelling of 9993500328 in words is "nine billion, nine hundred ninety-three million, five hundred thousand, three hundred twenty-eight".