18364264 has 8 divisors (see below), whose sum is σ = 34433010. Its totient is φ = 9182128.

The previous prime is 18364259. The next prime is 18364271. The reversal of 18364264 is 46246381.

It can be written as a sum of positive squares in only one way, i.e., 11902500 + 6461764 = 3450^2 + 2542^2 .

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 1147759 + ... + 1147774.

Almost surely, 2^18364264 is an apocalyptic number.

It is an amenable number.

18364264 is a deficient number, since it is larger than the sum of its proper divisors (16068746).

18364264 is a wasteful number, since it uses less digits than its factorization.

18364264 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2295539 (or 2295535 counting only the distinct ones).

The product of its digits is 27648, while the sum is 34.

The square root of 18364264 is about 4285.3545944297. The cubic root of 18364264 is about 263.8302014956.

The spelling of 18364264 in words is "eighteen million, three hundred sixty-four thousand, two hundred sixty-four".