9984001 has 4 divisors (see below), whose sum is σ = 10418112. Its totient is φ = 9549892.

The previous prime is 9983999. The next prime is 9984011. The reversal of 9984001 is 1004899.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9984001 - 2¹ = 9983999 is a prime.

It is a Smith number, since the sum of its digits (31) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984011) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 217021 + ... + 217066.

It is an arithmetic number, because the mean of its divisors is an integer number (2604528).

Almost surely, 2^9984001 is an apocalyptic number.

It is an amenable number.

9984001 is a deficient number, since it is larger than the sum of its proper divisors (434111).

9984001 is a wasteful number, since it uses less digits than its factorization.

9984001 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 434110.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 9984001 is about 3159.7469835416. The cubic root of 9984001 is about 215.3285116726.

It can be divided in two parts, 99 and 84001, that added together give a square (84100 = 290²).

The spelling of 9984001 in words is "nine million, nine hundred eighty-four thousand, one".