18824128 has 14 divisors (see below), whose sum is σ = 37354256. Its totient is φ = 9412032.

The previous prime is 18824107. The next prime is 18824129. The reversal of 18824128 is 82142881.

It is a nude number because it is divisible by every one of its digits.

It is a junction number, because it is equal to n+sod(n) for n = 18824093 and 18824102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (18824129) 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 as a sum of consecutive naturals, namely, 147000 + ... + 147127.

Almost surely, 2^18824128 is an apocalyptic number.

It is an amenable number.

18824128 is a deficient number, since it is larger than the sum of its proper divisors (18530128).

18824128 is an equidigital number, since it uses as much as digits as its factorization.

18824128 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 294139 (or 294129 counting only the distinct ones).

The product of its digits is 8192, while the sum is 34.

The square root of 18824128 is about 4338.6781397103. The cubic root of 18824128 is about 266.0142830629.

The spelling of 18824128 in words is "eighteen million, eight hundred twenty-four thousand, one hundred twenty-eight".