18034564 has 6 divisors (see below), whose sum is σ = 31560494. Its totient is φ = 9017280.

The previous prime is 18034537. The next prime is 18034573. The reversal of 18034564 is 46543081.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 17994564 + 40000 = 4242^2 + 200^2 .

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, 2254317 + ... + 2254324.

Almost surely, 2^18034564 is an apocalyptic number.

It is an amenable number.

18034564 is a deficient number, since it is larger than the sum of its proper divisors (13525930).

18034564 is a wasteful number, since it uses less digits than its factorization.

18034564 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4508645 (or 4508643 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 31.

The square root of 18034564 is about 4246.7121399972. The cubic root of 18034564 is about 262.2417790270.

The spelling of 18034564 in words is "eighteen million, thirty-four thousand, five hundred sixty-four".