18305852 has 12 divisors (see below), whose sum is σ = 32158896. Its totient is φ = 9117600.

The previous prime is 18305851. The next prime is 18305867. The reversal of 18305852 is 25850381.

It is a happy number.

It is an alternating number because its digits alternate between odd and even.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18305851) 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 3 ways as a sum of consecutive naturals, for example, 7649 + ... + 9752.

It is an arithmetic number, because the mean of its divisors is an integer number (2679908).

Almost surely, 2^18305852 is an apocalyptic number.

It is an amenable number.

18305852 is a deficient number, since it is larger than the sum of its proper divisors (13853044).

18305852 is a wasteful number, since it uses less digits than its factorization.

18305852 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 17668 (or 17666 counting only the distinct ones).

The product of its (nonzero) digits is 9600, while the sum is 32.

The square root of 18305852 is about 4278.5338610323. The cubic root of 18305852 is about 263.5501790568.

The spelling of 18305852 in words is "eighteen million, three hundred five thousand, eight hundred fifty-two".