6389249 has 2 divisors, whose sum is σ = 6389250. Its totient is φ = 6389248.

The previous prime is 6389237. The next prime is 6389267. The reversal of 6389249 is 9429836.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5452225 + 937024 = 2335^2 + 968^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6389249 is a prime.

It is a Sophie Germain prime.

It is a Curzon number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6389209) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3194624 + 3194625.

It is an arithmetic number, because the mean of its divisors is an integer number (3194625).

Almost surely, 2^6389249 is an apocalyptic number.

It is an amenable number.

6389249 is a deficient number, since it is larger than the sum of its proper divisors (1).

6389249 is an equidigital number, since it uses as much as digits as its factorization.

6389249 is an evil number, because the sum of its binary digits is even.

The product of its digits is 93312, while the sum is 41.

The square root of 6389249 is about 2527.6963820839. The cubic root of 6389249 is about 185.5595331570.

The spelling of 6389249 in words is "six million, three hundred eighty-nine thousand, two hundred forty-nine".