6340189 has 2 divisors, whose sum is σ = 6340190. Its totient is φ = 6340188.

The previous prime is 6340127. The next prime is 6340193. The reversal of 6340189 is 9810436.

6340189 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6335289 + 4900 = 2517^2 + 70^2 .

It is a cyclic number.

It is not a de Polignac number, because 6340189 - 2⁹ = 6339677 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 6340189.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6340109) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3170094 + 3170095.

It is an arithmetic number, because the mean of its divisors is an integer number (3170095).

Almost surely, 2^6340189 is an apocalyptic number.

It is an amenable number.

6340189 is a deficient number, since it is larger than the sum of its proper divisors (1).

6340189 is an equidigital number, since it uses as much as digits as its factorization.

6340189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 5184, while the sum is 31.

The square root of 6340189 is about 2517.9731928676. The cubic root of 6340189 is about 185.0833712369.

The spelling of 6340189 in words is "six million, three hundred forty thousand, one hundred eighty-nine".