18383241 has 8 divisors (see below), whose sum is σ = 25801120. Its totient is φ = 11610432.

The previous prime is 18383227. The next prime is 18383243. The reversal of 18383241 is 14238381.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 18383241 - 2¹⁵ = 18350473 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 18383199 and 18383208.

It is not an unprimeable number, because it can be changed into a prime (18383243) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 161200 + ... + 161313.

It is an arithmetic number, because the mean of its divisors is an integer number (3225140).

Almost surely, 2^18383241 is an apocalyptic number.

It is an amenable number.

18383241 is a deficient number, since it is larger than the sum of its proper divisors (7417879).

18383241 is a wasteful number, since it uses less digits than its factorization.

18383241 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 322535.

The product of its digits is 4608, while the sum is 30.

The square root of 18383241 is about 4287.5681918775. The cubic root of 18383241 is about 263.9210479014.

The spelling of 18383241 in words is "eighteen million, three hundred eighty-three thousand, two hundred forty-one".