10890198 has 24 divisors (see below), whose sum is σ = 25740936. Its totient is φ = 3300000.

The previous prime is 10890179. The next prime is 10890199. The reversal of 10890198 is 89109801.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10890199) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 27303 + ... + 27698.

It is an arithmetic number, because the mean of its divisors is an integer number (1072539).

Almost surely, 2^10890198 is an apocalyptic number.

10890198 is a gapful number since it is divisible by the number (18) formed by its first and last digit.

10890198 is an abundant number, since it is smaller than the sum of its proper divisors (14850738).

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

10890198 is a wasteful number, since it uses less digits than its factorization.

10890198 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55020 (or 55017 counting only the distinct ones).

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

The square root of 10890198 is about 3300.0299998636. The cubic root of 10890198 is about 221.6555408012.

Adding to 10890198 its reverse (89109801), we get a palindrome (99999999).

The spelling of 10890198 in words is "ten million, eight hundred ninety thousand, one hundred ninety-eight".