9938544 has 80 divisors (see below), whose sum is σ = 32021760. Its totient is φ = 2580480.

The previous prime is 9938531. The next prime is 9938549. The reversal of 9938544 is 4458399.

9938544 is digitally balanced in base 2 and base 8, because in such bases it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (42).

It is an Ulam number.

9938544 is strictly pandigital in base 8.

It is a junction number, because it is equal to n+sod(n) for n = 9938496 and 9938505.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9938549) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 2352 + ... + 5040.

It is an arithmetic number, because the mean of its divisors is an integer number (400272).

Almost surely, 2^9938544 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 9938544, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (16010880).

9938544 is an abundant number, since it is smaller than the sum of its proper divisors (22083216).

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

9938544 is a wasteful number, since it uses less digits than its factorization.

9938544 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2718 (or 2712 counting only the distinct ones).

The product of its digits is 155520, while the sum is 42.

The square root of 9938544 is about 3152.5456380519. The cubic root of 9938544 is about 215.0012186699.

9938544 divided by its sum of digits (42) gives a palindrome (236632).

The spelling of 9938544 in words is "nine million, nine hundred thirty-eight thousand, five hundred forty-four".