9883944 has 80 divisors (see below), whose sum is σ = 31653600. Its totient is φ = 2822688.

The previous prime is 9883943. The next prime is 9883949. The reversal of 9883944 is 4493889.

It is a happy number.

It is a nude number because it is divisible by every one of its digits.

It is a self number, because there is not a number n which added to its sum of digits gives 9883944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9883943) by changing a digit.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 3447 + ... + 5625.

It is an arithmetic number, because the mean of its divisors is an integer number (395670).

Almost surely, 2^9883944 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 9883944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15826800).

9883944 is an abundant number, since it is smaller than the sum of its proper divisors (21769656).

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

9883944 is a wasteful number, since it uses less digits than its factorization.

9883944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2204 (or 2191 counting only the distinct ones).

The product of its digits is 248832, while the sum is 45.

The square root of 9883944 is about 3143.8740432785. The cubic root of 9883944 is about 214.6067735812.

The spelling of 9883944 in words is "nine million, eight hundred eighty-three thousand, nine hundred forty-four".