18034285 has 8 divisors (see below), whose sum is σ = 21938040. Its totient is φ = 14229504.

The previous prime is 18034279. The next prime is 18034307. The reversal of 18034285 is 58243081.

It can be written as a sum of positive squares in 4 ways, for example, as 1542564 + 16491721 = 1242^2 + 4061^2 .

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

It is a cyclic number.

It is not a de Polignac number, because 18034285 - 2⁵ = 18034253 is a prime.

It is a super-2 number, since 2×18034285² = 650470870922450, which contains 22 as substring.

It is a congruent number.

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 7 ways as a sum of consecutive naturals, for example, 24340 + ... + 25069.

It is an arithmetic number, because the mean of its divisors is an integer number (2742255).

Almost surely, 2^18034285 is an apocalyptic number.

It is an amenable number.

18034285 is a deficient number, since it is larger than the sum of its proper divisors (3903755).

18034285 is an equidigital number, since it uses as much as digits as its factorization.

18034285 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 49487.

The product of its (nonzero) digits is 7680, while the sum is 31.

The square root of 18034285 is about 4246.6792909284. The cubic root of 18034285 is about 262.2404267009.

The spelling of 18034285 in words is "eighteen million, thirty-four thousand, two hundred eighty-five".