18290112 has 28 divisors (see below), whose sum is σ = 48393096. Its totient is φ = 6096640.

The previous prime is 18290101. The next prime is 18290131. The reversal of 18290112 is 21109281.

It is a Harshad number since it is a multiple of its sum of digits (24).

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, 47439 + ... + 47822.

Almost surely, 2^18290112 is an apocalyptic number.

18290112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18290112 is an abundant number, since it is smaller than the sum of its proper divisors (30102984).

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

18290112 is an equidigital number, since it uses as much as digits as its factorization.

18290112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 95276 (or 95266 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 24.

The square root of 18290112 is about 4276.6940503150. The cubic root of 18290112 is about 263.4746208995.

Adding to 18290112 its reverse (21109281), we get a palindrome (39399393).

The spelling of 18290112 in words is "eighteen million, two hundred ninety thousand, one hundred twelve".