18853424 has 20 divisors (see below), whose sum is σ = 37516944. Its totient is φ = 9171648.

The previous prime is 18853423. The next prime is 18853433. The reversal of 18853424 is 42435881.

It is a hoax number, since the sum of its digits (35) coincides with the sum of the digits of its distinct prime factors.

It is not an unprimeable number, because it can be changed into a prime (18853421) by changing a digit.

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, 15332 + ... + 16515.

Almost surely, 2^18853424 is an apocalyptic number.

It is an amenable number.

18853424 is a deficient number, since it is larger than the sum of its proper divisors (18663520).

18853424 is a wasteful number, since it uses less digits than its factorization.

18853424 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 31892 (or 31886 counting only the distinct ones).

The product of its digits is 30720, while the sum is 35.

The square root of 18853424 is about 4342.0529706580. The cubic root of 18853424 is about 266.1522109234.

The spelling of 18853424 in words is "eighteen million, eight hundred fifty-three thousand, four hundred twenty-four".