18004914 has 12 divisors (see below), whose sum is σ = 39010686. Its totient is φ = 6001632.

The previous prime is 18004897. The next prime is 18004919. The reversal of 18004914 is 41940081.

It can be written as a sum of positive squares in only one way, i.e., 16670889 + 1334025 = 4083^2 + 1155^2 .

It is a super-3 number, since 3×18004914³ (a number of 23 digits) contains 333 as substring.

18004914 is a modest number, since divided by 4914 gives 18 as remainder.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (18004919) 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 5 ways as a sum of consecutive naturals, for example, 500119 + ... + 500154.

Almost surely, 2^18004914 is an apocalyptic number.

18004914 is an abundant number, since it is smaller than the sum of its proper divisors (21005772).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

18004914 is a wasteful number, since it uses less digits than its factorization.

18004914 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1000281 (or 1000278 counting only the distinct ones).

The product of its (nonzero) digits is 1152, while the sum is 27.

The square root of 18004914 is about 4243.2197680535. The cubic root of 18004914 is about 262.0979859977.

Adding to 18004914 its reverse (41940081), we get a palindrome (59944995).

The spelling of 18004914 in words is "eighteen million, four thousand, nine hundred fourteen".