18064328 has 8 divisors (see below), whose sum is σ = 33870630. Its totient is φ = 9032160.

The previous prime is 18064297. The next prime is 18064331. The reversal of 18064328 is 82346081.

It can be written as a sum of positive squares in only one way, i.e., 17960644 + 103684 = 4238^2 + 322^2 .

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

It is a junction number, because it is equal to n+sod(n) for n = 18064294 and 18064303.

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, 1129013 + ... + 1129028.

Almost surely, 2^18064328 is an apocalyptic number.

It is an amenable number.

18064328 is a deficient number, since it is larger than the sum of its proper divisors (15806302).

18064328 is a wasteful number, since it uses less digits than its factorization.

18064328 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2258047 (or 2258043 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 18064328 is about 4250.2150533826. The cubic root of 18064328 is about 262.3859664937.

The spelling of 18064328 in words is "eighteen million, sixty-four thousand, three hundred twenty-eight".