18014449 has 8 divisors (see below), whose sum is σ = 18738560. Its totient is φ = 17302896.

The previous prime is 18014417. The next prime is 18014471. The reversal of 18014449 is 94441081.

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

It is not a de Polignac number, because 18014449 - 2⁵ = 18014417 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 18014449.

It is not an unprimeable number, because it can be changed into a prime (18024449) 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, 159 + ... + 6004.

It is an arithmetic number, because the mean of its divisors is an integer number (2342320).

Almost surely, 2^18014449 is an apocalyptic number.

It is an amenable number.

18014449 is a deficient number, since it is larger than the sum of its proper divisors (724111).

18014449 is an equidigital number, since it uses as much as digits as its factorization.

18014449 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6279.

The product of its (nonzero) digits is 4608, while the sum is 31.

The square root of 18014449 is about 4244.3431765115. The cubic root of 18014449 is about 262.1442449110.

The spelling of 18014449 in words is "eighteen million, fourteen thousand, four hundred forty-nine".