18424027 has 2 divisors, whose sum is σ = 18424028. Its totient is φ = 18424026.

The previous prime is 18423967. The next prime is 18424067. The reversal of 18424027 is 72042481.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 18424027 - 2²³ = 10035419 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 18423986 and 18424004.

It is not a weakly prime, because it can be changed into another prime (18424067) by changing a digit.

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, 9212013 + 9212014.

It is an arithmetic number, because the mean of its divisors is an integer number (9212014).

Almost surely, 2^18424027 is an apocalyptic number.

18424027 is a deficient number, since it is larger than the sum of its proper divisors (1).

18424027 is an equidigital number, since it uses as much as digits as its factorization.

18424027 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 3584, while the sum is 28.

The square root of 18424027 is about 4292.3218658437. The cubic root of 18424027 is about 264.1160866494.

The spelling of 18424027 in words is "eighteen million, four hundred twenty-four thousand, twenty-seven".