9810198 has 24 divisors (see below), whose sum is σ = 21942336. Its totient is φ = 3164400.

The previous prime is 9810181. The next prime is 9810209. The reversal of 9810198 is 8910189.

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 11 ways as a sum of consecutive naturals, for example, 8233 + ... + 9348.

It is an arithmetic number, because the mean of its divisors is an integer number (914264).

Almost surely, 2^9810198 is an apocalyptic number.

9810198 is an abundant number, since it is smaller than the sum of its proper divisors (12132138).

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

9810198 is a wasteful number, since it uses less digits than its factorization.

9810198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17620 (or 17617 counting only the distinct ones).

The product of its (nonzero) digits is 5184, while the sum is 36.

The square root of 9810198 is about 3132.1235607811. The cubic root of 9810198 is about 214.0716998515.

Subtracting from 9810198 its reverse (8910189), we obtain a palindrome (900009).

It can be divided in two parts, 98 and 10198, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 9810198 in words is "nine million, eight hundred ten thousand, one hundred ninety-eight".