9933872 has 40 divisors (see below), whose sum is σ = 20925744. Its totient is φ = 4541184.

The previous prime is 9933853. The next prime is 9933877. The reversal of 9933872 is 2783399.

It is not an unprimeable number, because it can be changed into a prime (9933877) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 33758 + ... + 34050.

Almost surely, 2^9933872 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 9933872, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10462872).

9933872 is an abundant number, since it is smaller than the sum of its proper divisors (10991872).

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

9933872 is a wasteful number, since it uses less digits than its factorization.

9933872 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 477 (or 471 counting only the distinct ones).

The product of its digits is 81648, while the sum is 41.

The square root of 9933872 is about 3151.8045624689. The cubic root of 9933872 is about 214.9675234883.

The spelling of 9933872 in words is "nine million, nine hundred thirty-three thousand, eight hundred seventy-two".