18484093 has 4 divisors (see below), whose sum is σ = 19456960. Its totient is φ = 17511228.

The previous prime is 18484073. The next prime is 18484099. The reversal of 18484093 is 39048481.

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.

It is a cyclic number.

It is not a de Polignac number, because 18484093 - 2⁹ = 18483581 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 (18484099) 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, 486405 + ... + 486442.

It is an arithmetic number, because the mean of its divisors is an integer number (4864240).

Almost surely, 2^18484093 is an apocalyptic number.

It is an amenable number.

18484093 is a deficient number, since it is larger than the sum of its proper divisors (972867).

18484093 is an equidigital number, since it uses as much as digits as its factorization.

18484093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 972866.

The product of its (nonzero) digits is 27648, while the sum is 37.

The square root of 18484093 is about 4299.3130846683. The cubic root of 18484093 is about 264.4027989890.

The spelling of 18484093 in words is "eighteen million, four hundred eighty-four thousand, ninety-three".