9888198 has 16 divisors (see below), whose sum is σ = 19808256. Its totient is φ = 3290760.

The previous prime is 9888187. The next prime is 9888199. The reversal of 9888198 is 8918889.

9888198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a self number, because there is not a number n which added to its sum of digits gives 9888198.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9888199) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5115 + ... + 6777.

It is an arithmetic number, because the mean of its divisors is an integer number (1238016).

Almost surely, 2^9888198 is an apocalyptic number.

9888198 is an abundant number, since it is smaller than the sum of its proper divisors (9920058).

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

9888198 is a wasteful number, since it uses less digits than its factorization.

9888198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2659.

The product of its digits is 331776, while the sum is 51.

The square root of 9888198 is about 3144.5505243198. The cubic root of 9888198 is about 214.6375577254.

The spelling of 9888198 in words is "nine million, eight hundred eighty-eight thousand, one hundred ninety-eight".