9884421 has 6 divisors (see below), whose sum is σ = 14277510. Its totient is φ = 6589608.

The previous prime is 9884383. The next prime is 9884431. The reversal of 9884421 is 1244889.

9884421 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 6502500 + 3381921 = 2550^2 + 1839^2 .

It is not a de Polignac number, because 9884421 - 2¹¹ = 9882373 is a prime.

It is a Curzon number.

It is a nialpdrome in base 10.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9884431) 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 5 ways as a sum of consecutive naturals, for example, 549126 + ... + 549143.

It is an arithmetic number, because the mean of its divisors is an integer number (2379585).

Almost surely, 2^9884421 is an apocalyptic number.

It is an amenable number.

9884421 is a deficient number, since it is larger than the sum of its proper divisors (4393089).

9884421 is a wasteful number, since it uses less digits than its factorization.

9884421 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1098275 (or 1098272 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 9884421 is about 3143.9499041810. The cubic root of 9884421 is about 214.6102258396.

The spelling of 9884421 in words is "nine million, eight hundred eighty-four thousand, four hundred twenty-one".