18084265 has 4 divisors (see below), whose sum is σ = 21701124. Its totient is φ = 14467408.

The previous prime is 18084247. The next prime is 18084301. The reversal of 18084265 is 56248081.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 6230016 + 11854249 = 2496^2 + 3443^2 .

It is a cyclic number.

It is not a de Polignac number, because 18084265 - 2¹¹ = 18082217 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 18084265.

It is an unprimeable number.

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 3 ways as a sum of consecutive naturals, for example, 1808422 + ... + 1808431.

It is an arithmetic number, because the mean of its divisors is an integer number (5425281).

Almost surely, 2^18084265 is an apocalyptic number.

It is an amenable number.

18084265 is a deficient number, since it is larger than the sum of its proper divisors (3616859).

18084265 is an equidigital number, since it uses as much as digits as its factorization.

18084265 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3616858.

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 18084265 is about 4252.5598173336. The cubic root of 18084265 is about 262.4824599013.

The spelling of 18084265 in words is "eighteen million, eighty-four thousand, two hundred sixty-five".