18283841 has 4 divisors (see below), whose sum is σ = 18293184. Its totient is φ = 18274500.

The previous prime is 18283829. The next prime is 18283843. The reversal of 18283841 is 14838281.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18283841 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18283843) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 485 + ... + 6066.

It is an arithmetic number, because the mean of its divisors is an integer number (4573296).

Almost surely, 2^18283841 is an apocalyptic number.

It is an amenable number.

18283841 is a deficient number, since it is larger than the sum of its proper divisors (9343).

18283841 is an equidigital number, since it uses as much as digits as its factorization.

18283841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 9342.

The product of its digits is 12288, while the sum is 35.

The square root of 18283841 is about 4275.9608276971. The cubic root of 18283841 is about 263.4445055706. Note that the first 3 decimals are identical.

The spelling of 18283841 in words is "eighteen million, two hundred eighty-three thousand, eight hundred forty-one".