18344112 has 40 divisors (see below), whose sum is σ = 47549040. Its totient is φ = 6094080.

The previous prime is 18344107. The next prime is 18344141. The reversal of 18344112 is 21144381.

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

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 21714 + ... + 22542.

It is an arithmetic number, because the mean of its divisors is an integer number (1188726).

Almost surely, 2^18344112 is an apocalyptic number.

18344112 is a gapful number since it is divisible by the number (12) formed by its first and last digit.

It is an amenable number.

18344112 is an abundant number, since it is smaller than the sum of its proper divisors (29204928).

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

18344112 is a wasteful number, since it uses less digits than its factorization.

18344112 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1301 (or 1295 counting only the distinct ones).

The product of its digits is 768, while the sum is 24.

The square root of 18344112 is about 4283.0026850330. The cubic root of 18344112 is about 263.7336616041.

Adding to 18344112 its reverse (21144381), we get a palindrome (39488493).

The spelling of 18344112 in words is "eighteen million, three hundred forty-four thousand, one hundred twelve".