984399988285 has 8 divisors (see below), whose sum is σ = 1350034269696. Its totient is φ = 675017134800.

The previous prime is 984399988241. The next prime is 984399988289. The reversal of 984399988285 is 582889993489.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 984399988285 - 2⁹ = 984399987773 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 984399988199 and 984399988208.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984399988289) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (23) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 14062856941 + ... + 14062857010.

It is an arithmetic number, because the mean of its divisors is an integer number (168754283712).

Almost surely, 2^984399988285 is an apocalyptic number.

It is an amenable number.

984399988285 is a deficient number, since it is larger than the sum of its proper divisors (365634281411).

984399988285 is a wasteful number, since it uses less digits than its factorization.

984399988285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28125713963.

The product of its digits is 3224862720, while the sum is 82.

The spelling of 984399988285 in words is "nine hundred eighty-four billion, three hundred ninety-nine million, nine hundred eighty-eight thousand, two hundred eighty-five".