9489844 has 72 divisors (see below), whose sum is σ = 21851648. Its totient is φ = 3507840.

The previous prime is 9489841. The next prime is 9489877. The reversal of 9489844 is 4489849.

It is a happy number.

It is a junction number, because it is equal to n+sod(n) for n = 9489794 and 9489803.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9489841) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 306109 + ... + 306139.

Almost surely, 2^9489844 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 9489844, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10925824).

9489844 is an abundant number, since it is smaller than the sum of its proper divisors (12361804).

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

9489844 is a wasteful number, since it uses less digits than its factorization.

9489844 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 113 (or 82 counting only the distinct ones).

The product of its digits is 331776, while the sum is 46.

The square root of 9489844 is about 3080.5590401744. The cubic root of 9489844 is about 211.7156803298.

The spelling of 9489844 in words is "nine million, four hundred eighty-nine thousand, eight hundred forty-four".