18843141 has 16 divisors (see below), whose sum is σ = 26325504. Its totient is φ = 11966064.

The previous prime is 18843137. The next prime is 18843199. The reversal of 18843141 is 14134881.

It is not a de Polignac number, because 18843141 - 2² = 18843137 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18843099 and 18843108.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18833141) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 23550 + ... + 24336.

It is an arithmetic number, because the mean of its divisors is an integer number (1645344).

Almost surely, 2^18843141 is an apocalyptic number.

It is an amenable number.

18843141 is a deficient number, since it is larger than the sum of its proper divisors (7482363).

18843141 is a wasteful number, since it uses less digits than its factorization.

18843141 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1160.

The product of its digits is 3072, while the sum is 30.

The square root of 18843141 is about 4340.8686918634. The cubic root of 18843141 is about 266.1038140396.

The spelling of 18843141 in words is "eighteen million, eight hundred forty-three thousand, one hundred forty-one".