18844056 has 192 divisors, whose sum is σ = 66393600. Its totient is φ = 4847040.

The previous prime is 18844043. The next prime is 18844057. The reversal of 18844056 is 65044881.

It is a super-2 number, since 2×18844056² = 710196893062272, which contains 22 as substring.

It is a Harshad number since it is a multiple of its sum of digits (36).

It is a self number, because there is not a number n which added to its sum of digits gives 18844056.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18844057) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 182901 + ... + 183003.

It is an arithmetic number, because the mean of its divisors is an integer number (345800).

Almost surely, 2^18844056 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 18844056, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (33196800).

18844056 is an abundant number, since it is smaller than the sum of its proper divisors (47549544).

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

18844056 is a wasteful number, since it uses less digits than its factorization.

18844056 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 147 (or 126 counting only the distinct ones).

The product of its (nonzero) digits is 30720, while the sum is 36.

The square root of 18844056 is about 4340.9740842350. The cubic root of 18844056 is about 266.1081211957.

It can be divided in two parts, 188 and 44056, that added together give a palindrome (44244).

The spelling of 18844056 in words is "eighteen million, eight hundred forty-four thousand, fifty-six".