18052304 has 20 divisors (see below), whose sum is σ = 35044260. Its totient is φ = 9008640.

The previous prime is 18052273. The next prime is 18052313. The reversal of 18052304 is 40325081.

It can be written as a sum of positive squares in 2 ways, for example, as 6492304 + 11560000 = 2548^2 + 3400^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 18052304.

It is a congruent number.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 12584 + ... + 13944.

It is an arithmetic number, because the mean of its divisors is an integer number (1752213).

Almost surely, 2^18052304 is an apocalyptic number.

It is an amenable number.

18052304 is a deficient number, since it is larger than the sum of its proper divisors (16991956).

18052304 is a wasteful number, since it uses less digits than its factorization.

18052304 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2198 (or 2192 counting only the distinct ones).

The product of its (nonzero) digits is 960, while the sum is 23.

The square root of 18052304 is about 4248.8003012615. The cubic root of 18052304 is about 262.3277370167.

Adding to 18052304 its reverse (40325081), we get a palindrome (58377385).

The spelling of 18052304 in words is "eighteen million, fifty-two thousand, three hundred four".