18086452 has 12 divisors (see below), whose sum is σ = 31792320. Its totient is φ = 9002936.

The previous prime is 18086429. The next prime is 18086473. The reversal of 18086452 is 25468081.

18086452 = T₂₃ + T₂₄ + ... + T₄₇₆.

It is a congruent number.

It is an unprimeable number.

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, 9052 + ... + 10867.

It is an arithmetic number, because the mean of its divisors is an integer number (2649360).

Almost surely, 2^18086452 is an apocalyptic number.

It is an amenable number.

18086452 is a deficient number, since it is larger than the sum of its proper divisors (13705868).

18086452 is a wasteful number, since it uses less digits than its factorization.

18086452 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 20150 (or 20148 counting only the distinct ones).

The product of its (nonzero) digits is 15360, while the sum is 34.

The square root of 18086452 is about 4252.8169487999. The cubic root of 18086452 is about 262.4930404806.

The spelling of 18086452 in words is "eighteen million, eighty-six thousand, four hundred fifty-two".