18824093 has 2 divisors, whose sum is σ = 18824094. Its totient is φ = 18824092.

The previous prime is 18824087. The next prime is 18824101. The reversal of 18824093 is 39042881.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 16144324 + 2679769 = 4018^2 + 1637^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-18824093 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18824033) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9412046 + 9412047.

It is an arithmetic number, because the mean of its divisors is an integer number (9412047).

Almost surely, 2^18824093 is an apocalyptic number.

It is an amenable number.

18824093 is a deficient number, since it is larger than the sum of its proper divisors (1).

18824093 is an equidigital number, since it uses as much as digits as its factorization.

18824093 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 13824, while the sum is 35.

The square root of 18824093 is about 4338.6741062219. The cubic root of 18824093 is about 266.0141181946.

The spelling of 18824093 in words is "eighteen million, eight hundred twenty-four thousand, ninety-three".