18048383 has 4 divisors (see below), whose sum is σ = 18056928. Its totient is φ = 18039840.

The previous prime is 18048379. The next prime is 18048403. The reversal of 18048383 is 38384081.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It is a cyclic number.

It is not a de Polignac number, because 18048383 - 2² = 18048379 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18048313) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1463 + ... + 6183.

It is an arithmetic number, because the mean of its divisors is an integer number (4514232).

Almost surely, 2^18048383 is an apocalyptic number.

18048383 is a deficient number, since it is larger than the sum of its proper divisors (8545).

18048383 is an equidigital number, since it uses as much as digits as its factorization.

18048383 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8544.

The product of its (nonzero) digits is 18432, while the sum is 35.

The square root of 18048383 is about 4248.3388518337. The cubic root of 18048383 is about 262.3087429216.

The spelling of 18048383 in words is "eighteen million, forty-eight thousand, three hundred eighty-three".