18424204 has 6 divisors (see below), whose sum is σ = 32242364. Its totient is φ = 9212100.

The previous prime is 18424201. The next prime is 18424213. The reversal of 18424204 is 40242481.

It is not an unprimeable number, because it can be changed into a prime (18424201) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2303022 + ... + 2303029.

Almost surely, 2^18424204 is an apocalyptic number.

It is an amenable number.

18424204 is a deficient number, since it is larger than the sum of its proper divisors (13818160).

18424204 is a wasteful number, since it uses less digits than its factorization.

18424204 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4606055 (or 4606053 counting only the distinct ones).

The product of its (nonzero) digits is 2048, while the sum is 25.

The square root of 18424204 is about 4292.3424840057. The cubic root of 18424204 is about 264.1169324363.

Adding to 18424204 its reverse (40242481), we get a palindrome (58666685).

The spelling of 18424204 in words is "eighteen million, four hundred twenty-four thousand, two hundred four".