18432341 has 2 divisors, whose sum is σ = 18432342. Its totient is φ = 18432340.

The previous prime is 18432317. The next prime is 18432347. The reversal of 18432341 is 14323481.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 18309841 + 122500 = 4279^2 + 350^2 .

It is a cyclic number.

It is not a de Polignac number, because 18432341 - 2⁶ = 18432277 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 18432341.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (18432347) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 9216170 + 9216171.

It is an arithmetic number, because the mean of its divisors is an integer number (9216171).

Almost surely, 2^18432341 is an apocalyptic number.

It is an amenable number.

18432341 is a deficient number, since it is larger than the sum of its proper divisors (1).

18432341 is an equidigital number, since it uses as much as digits as its factorization.

18432341 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2304, while the sum is 26.

The square root of 18432341 is about 4293.2902301149. The cubic root of 18432341 is about 264.1558088905.

The spelling of 18432341 in words is "eighteen million, four hundred thirty-two thousand, three hundred forty-one".