9198198 has 20 divisors (see below), whose sum is σ = 20611140. Its totient is φ = 3066012.

The previous prime is 9198197. The next prime is 9198199. The reversal of 9198198 is 8918919.

9198198 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9198197) and next prime (9198199).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9198197) by changing a digit.

It is a polite number, since it can be written in 9 ways as a sum of consecutive naturals, for example, 28228 + ... + 28551.

It is an arithmetic number, because the mean of its divisors is an integer number (1030557).

Almost surely, 2^9198198 is an apocalyptic number.

9198198 is an abundant number, since it is smaller than the sum of its proper divisors (11412942).

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

9198198 is a wasteful number, since it uses less digits than its factorization.

9198198 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 56793 (or 56784 counting only the distinct ones).

The product of its digits is 46656, while the sum is 45.

The square root of 9198198 is about 3032.8531121701. The cubic root of 9198198 is about 209.5242290412.

It can be divided in two parts, 91 and 98198, that added together give a palindrome (98289).

The spelling of 9198198 in words is "nine million, one hundred ninety-eight thousand, one hundred ninety-eight".