9938220 has 48 divisors (see below), whose sum is σ = 28220640. Its totient is φ = 2612736.

The previous prime is 9938207. The next prime is 9938221. The reversal of 9938220 is 228399.

9938220 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (9938221) 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, 3246 + ... + 5514.

It is an arithmetic number, because the mean of its divisors is an integer number (587930).

Almost surely, 2^9938220 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 9938220, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14110320).

9938220 is an abundant number, since it is smaller than the sum of its proper divisors (18282420).

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

9938220 is a wasteful number, since it uses less digits than its factorization.

9938220 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2354 (or 2352 counting only the distinct ones).

The product of its (nonzero) digits is 7776, while the sum is 33.

The square root of 9938220 is about 3152.4942505895. The cubic root of 9938220 is about 214.9988822729.

The spelling of 9938220 in words is "nine million, nine hundred thirty-eight thousand, two hundred twenty".