9998016 has 112 divisors (see below), whose sum is σ = 31113984. Its totient is φ = 2774016.

The previous prime is 9997997. The next prime is 9998017. The reversal of 9998016 is 6108999.

It is a tau number, because it is divible by the number of its divisors (112).

It is a Harshad number since it is a multiple of its sum of digits (42).

It is not an unprimeable number, because it can be changed into a prime (9998017) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 57706 + ... + 57878.

Almost surely, 2^9998016 is an apocalyptic number.

9998016 is a gapful number since it is divisible by the number (96) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9998016, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (15556992).

9998016 is an abundant number, since it is smaller than the sum of its proper divisors (21115968).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9998016 is a wasteful number, since it uses less digits than its factorization.

9998016 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 238 (or 228 counting only the distinct ones).

The product of its (nonzero) digits is 34992, while the sum is 42.

The square root of 9998016 is about 3161.9639466635. The cubic root of 9998016 is about 215.4292200661.

The spelling of 9998016 in words is "nine million, nine hundred ninety-eight thousand, sixteen".