18483389 has 8 divisors (see below), whose sum is σ = 18698400. Its totient is φ = 18270000.

The previous prime is 18483373. The next prime is 18483391. The reversal of 18483389 is 98338481.

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

It is a cyclic number.

It is not a de Polignac number, because 18483389 - 2⁴ = 18483373 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 (18483889) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 52787 + ... + 53135.

It is an arithmetic number, because the mean of its divisors is an integer number (2337300).

Almost surely, 2^18483389 is an apocalyptic number.

It is an amenable number.

18483389 is a deficient number, since it is larger than the sum of its proper divisors (215011).

18483389 is a wasteful number, since it uses less digits than its factorization.

18483389 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 811.

The product of its digits is 165888, while the sum is 44.

The square root of 18483389 is about 4299.2312103445. The cubic root of 18483389 is about 264.3994421939.

The spelling of 18483389 in words is "eighteen million, four hundred eighty-three thousand, three hundred eighty-nine".