9884321 has 6 divisors (see below), whose sum is σ = 10146066. Its totient is φ = 9623600.

The previous prime is 9884317. The next prime is 9884359. The reversal of 9884321 is 1234889.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 6027025 + 3857296 = 2455^2 + 1964^2 .

It is not a de Polignac number, because 9884321 - 2² = 9884317 is a prime.

It is a Duffinian 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 (9884311) 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, 19886 + ... + 20376.

It is an arithmetic number, because the mean of its divisors is an integer number (1691011).

Almost surely, 2^9884321 is an apocalyptic number.

It is an amenable number.

9884321 is a deficient number, since it is larger than the sum of its proper divisors (261745).

9884321 is an frugal number, since it uses more digits than its factorization.

9884321 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1023 (or 532 counting only the distinct ones).

The product of its digits is 13824, while the sum is 35.

The square root of 9884321 is about 3143.9340005795. The cubic root of 9884321 is about 214.6095021049.

It can be divided in two parts, 98843 and 21, that multiplied together give a triangular number (2075703 = T₂₀₃₇).

The spelling of 9884321 in words is "nine million, eight hundred eighty-four thousand, three hundred twenty-one".