9998192 has 40 divisors (see below), whose sum is σ = 20489760. Its totient is φ = 4716800.

The previous prime is 9998179. The next prime is 9998201. The reversal of 9998192 is 2918999.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 37034 + ... + 37302.

It is an arithmetic number, because the mean of its divisors is an integer number (512244).

Almost surely, 2^9998192 is an apocalyptic number.

9998192 is a gapful number since it is divisible by the number (92) 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 9998192, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10244880).

9998192 is an abundant number, since it is smaller than the sum of its proper divisors (10491568).

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

9998192 is a wasteful number, since it uses less digits than its factorization.

9998192 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 401 (or 395 counting only the distinct ones).

The product of its digits is 104976, while the sum is 47.

The square root of 9998192 is about 3161.9917773454. The cubic root of 9998192 is about 215.4304841609.

The spelling of 9998192 in words is "nine million, nine hundred ninety-eight thousand, one hundred ninety-two".