18483189 has 4 divisors (see below), whose sum is σ = 24644256. Its totient is φ = 12322124.

The previous prime is 18483151. The next prime is 18483209. The reversal of 18483189 is 98138481.

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 18483189 - 2¹⁹ = 17958901 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 18483189.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18483109) 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, 3080529 + ... + 3080534.

It is an arithmetic number, because the mean of its divisors is an integer number (6161064).

Almost surely, 2^18483189 is an apocalyptic number.

It is an amenable number.

18483189 is a deficient number, since it is larger than the sum of its proper divisors (6161067).

18483189 is an equidigital number, since it uses as much as digits as its factorization.

18483189 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6161066.

The product of its digits is 55296, while the sum is 42.

The square root of 18483189 is about 4299.2079503090. The cubic root of 18483189 is about 264.3984885434.

The spelling of 18483189 in words is "eighteen million, four hundred eighty-three thousand, one hundred eighty-nine".