18336484 has 6 divisors (see below), whose sum is σ = 32088854. Its totient is φ = 9168240.

The previous prime is 18336481. The next prime is 18336499. The reversal of 18336484 is 48463381.

It can be written as a sum of positive squares in only one way, i.e., 16990884 + 1345600 = 4122^2 + 1160^2 .

It is not an unprimeable number, because it can be changed into a prime (18336481) 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 as a sum of consecutive naturals, namely, 2292057 + ... + 2292064.

Almost surely, 2^18336484 is an apocalyptic number.

It is an amenable number.

18336484 is a deficient number, since it is larger than the sum of its proper divisors (13752370).

18336484 is a wasteful number, since it uses less digits than its factorization.

18336484 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4584125 (or 4584123 counting only the distinct ones).

The product of its digits is 55296, while the sum is 37.

The square root of 18336484 is about 4282.1120956836. The cubic root of 18336484 is about 263.6971005669.

The spelling of 18336484 in words is "eighteen million, three hundred thirty-six thousand, four hundred eighty-four".