8744189 has 2 divisors, whose sum is σ = 8744190. Its totient is φ = 8744188.

The previous prime is 8744149. The next prime is 8744191. The reversal of 8744189 is 9814478.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6943225 + 1800964 = 2635^2 + 1342^2 .

It is a cyclic number.

It is not a de Polignac number, because 8744189 - 2²⁰ = 7695613 is a prime.

Together with 8744191, it forms a pair of twin primes.

It is a Chen prime.

It is an Ulam number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8744129) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4372094 + 4372095.

It is an arithmetic number, because the mean of its divisors is an integer number (4372095).

Almost surely, 2^8744189 is an apocalyptic number.

It is an amenable number.

8744189 is a deficient number, since it is larger than the sum of its proper divisors (1).

8744189 is an equidigital number, since it uses as much as digits as its factorization.

8744189 is an evil number, because the sum of its binary digits is even.

The product of its digits is 64512, while the sum is 41.

The square root of 8744189 is about 2957.0574901412. The cubic root of 8744189 is about 206.0186381477.

The spelling of 8744189 in words is "eight million, seven hundred forty-four thousand, one hundred eighty-nine".