13844189 has 2 divisors, whose sum is σ = 13844190. Its totient is φ = 13844188.

The previous prime is 13844177. The next prime is 13844203. The reversal of 13844189 is 98144831.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 13764100 + 80089 = 3710^2 + 283^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-13844189 is a prime.

It is a Chen prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (13844119) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 6922094 + 6922095.

It is an arithmetic number, because the mean of its divisors is an integer number (6922095).

Almost surely, 2^13844189 is an apocalyptic number.

It is an amenable number.

13844189 is a deficient number, since it is larger than the sum of its proper divisors (1).

13844189 is an equidigital number, since it uses as much as digits as its factorization.

13844189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 27648, while the sum is 38.

The square root of 13844189 is about 3720.7780100404. The cubic root of 13844189 is about 240.1167776606.

The spelling of 13844189 in words is "thirteen million, eight hundred forty-four thousand, one hundred eighty-nine".