18098112 has 28 divisors (see below), whose sum is σ = 47885096. Its totient is φ = 6032640.

The previous prime is 18098083. The next prime is 18098123. The reversal of 18098112 is 21189081.

It is a self number, because there is not a number n which added to its sum of digits gives 18098112.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 46939 + ... + 47322.

It is an arithmetic number, because the mean of its divisors is an integer number (1710182).

Almost surely, 2^18098112 is an apocalyptic number.

18098112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18098112 is an abundant number, since it is smaller than the sum of its proper divisors (29786984).

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

18098112 is an equidigital number, since it uses as much as digits as its factorization.

18098112 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 94276 (or 94266 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 30.

The square root of 18098112 is about 4254.1875840165. The cubic root of 18098112 is about 262.5494364941.

The spelling of 18098112 in words is "eighteen million, ninety-eight thousand, one hundred twelve".