9888472 has 32 divisors (see below), whose sum is σ = 20779920. Its totient is φ = 4371840.

The previous prime is 9888469. The next prime is 9888479. The reversal of 9888472 is 2748889.

9888472 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888479) 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, 1738 + ... + 4774.

Almost surely, 2^9888472 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 9888472, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10389960).

9888472 is an abundant number, since it is smaller than the sum of its proper divisors (10891448).

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

9888472 is a wasteful number, since it uses less digits than its factorization.

9888472 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3091 (or 3087 counting only the distinct ones).

The product of its digits is 258048, while the sum is 46.

The square root of 9888472 is about 3144.5940914528. The cubic root of 9888472 is about 214.6395402285.

The spelling of 9888472 in words is "nine million, eight hundred eighty-eight thousand, four hundred seventy-two".