9984395 has 4 divisors (see below), whose sum is σ = 11981280. Its totient is φ = 7987512.

The previous prime is 9984383. The next prime is 9984397. The reversal of 9984395 is 5934899.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9984395 - 2¹⁰ = 9983371 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9984397) 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 3 ways as a sum of consecutive naturals, for example, 998435 + ... + 998444.

It is an arithmetic number, because the mean of its divisors is an integer number (2995320).

Almost surely, 2^9984395 is an apocalyptic number.

9984395 is a deficient number, since it is larger than the sum of its proper divisors (1996885).

9984395 is a wasteful number, since it uses less digits than its factorization.

9984395 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1996884.

The product of its digits is 349920, while the sum is 47.

The square root of 9984395 is about 3159.8093296906. The cubic root of 9984395 is about 215.3313441482.

The spelling of 9984395 in words is "nine million, nine hundred eighty-four thousand, three hundred ninety-five".