18084049 has 8 divisors (see below), whose sum is σ = 19272960. Its totient is φ = 16928736.

The previous prime is 18084047. The next prime is 18084061. The reversal of 18084049 is 94048081.

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

It is not a de Polignac number, because 18084049 - 2¹ = 18084047 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (18084041) 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, 7284 + ... + 9445.

It is an arithmetic number, because the mean of its divisors is an integer number (2409120).

Almost surely, 2^18084049 is an apocalyptic number.

It is an amenable number.

18084049 is a deficient number, since it is larger than the sum of its proper divisors (1188911).

18084049 is a wasteful number, since it uses less digits than its factorization.

18084049 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16799.

The product of its (nonzero) digits is 9216, while the sum is 34.

The square root of 18084049 is about 4252.5344207896. The cubic root of 18084049 is about 262.4814148596.

The spelling of 18084049 in words is "eighteen million, eighty-four thousand, forty-nine".