6494393 has 2 divisors, whose sum is σ = 6494394. Its totient is φ = 6494392.

The previous prime is 6494387. The next prime is 6494417. The reversal of 6494393 is 3934946.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 5257849 + 1236544 = 2293^2 + 1112^2 .

It is a cyclic number.

It is not a de Polignac number, because 6494393 - 2¹⁴ = 6478009 is a prime.

It is not a weakly prime, because it can be changed into another prime (6494363) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 3247196 + 3247197.

It is an arithmetic number, because the mean of its divisors is an integer number (3247197).

Almost surely, 2^6494393 is an apocalyptic number.

It is an amenable number.

6494393 is a deficient number, since it is larger than the sum of its proper divisors (1).

6494393 is an equidigital number, since it uses as much as digits as its factorization.

6494393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 69984, while the sum is 38.

The square root of 6494393 is about 2548.4098963864. The cubic root of 6494393 is about 186.5718803778.

The spelling of 6494393 in words is "six million, four hundred ninety-four thousand, three hundred ninety-three".