6189389 has 2 divisors, whose sum is σ = 6189390. Its totient is φ = 6189388.

The previous prime is 6189361. The next prime is 6189419. The reversal of 6189389 is 9839816.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3771364 + 2418025 = 1942^2 + 1555^2 .

It is a cyclic number.

It is not a de Polignac number, because 6189389 - 2⁸ = 6189133 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 (6189089) 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, 3094694 + 3094695.

It is an arithmetic number, because the mean of its divisors is an integer number (3094695).

Almost surely, 2^6189389 is an apocalyptic number.

It is an amenable number.

6189389 is a deficient number, since it is larger than the sum of its proper divisors (1).

6189389 is an equidigital number, since it uses as much as digits as its factorization.

6189389 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 93312, while the sum is 44.

The square root of 6189389 is about 2487.8482670774. The cubic root of 6189389 is about 183.6041921032.

The spelling of 6189389 in words is "six million, one hundred eighty-nine thousand, three hundred eighty-nine".