18460448 has 12 divisors (see below), whose sum is σ = 36344070. Its totient is φ = 9230208.

The previous prime is 18460439. The next prime is 18460489. The reversal of 18460448 is 84406481.

It can be written as a sum of positive squares in only one way, i.e., 15460624 + 2999824 = 3932^2 + 1732^2 .

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, 288413 + ... + 288476.

Almost surely, 2^18460448 is an apocalyptic number.

It is an amenable number.

18460448 is a deficient number, since it is larger than the sum of its proper divisors (17883622).

18460448 is an equidigital number, since it uses as much as digits as its factorization.

18460448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 576899 (or 576891 counting only the distinct ones).

The product of its (nonzero) digits is 24576, while the sum is 35.

The square root of 18460448 is about 4296.5623468070. The cubic root of 18460448 is about 264.2900088210.

The spelling of 18460448 in words is "eighteen million, four hundred sixty thousand, four hundred forty-eight".