6384493 has 2 divisors, whose sum is σ = 6384494. Its totient is φ = 6384492.

The previous prime is 6384491. The next prime is 6384509. The reversal of 6384493 is 3944836.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 4937284 + 1447209 = 2222^2 + 1203^2 .

It is a cyclic number.

It is not a de Polignac number, because 6384493 - 2¹ = 6384491 is a prime.

Together with 6384491, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 6⁴ + 3⁹ + 8³ + 4² + 4¹⁰ + 9⁶ + 3¹⁴ .

6384493 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (6384491) 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, 3192246 + 3192247.

It is an arithmetic number, because the mean of its divisors is an integer number (3192247).

Almost surely, 2^6384493 is an apocalyptic number.

It is an amenable number.

6384493 is a deficient number, since it is larger than the sum of its proper divisors (1).

6384493 is an equidigital number, since it uses as much as digits as its factorization.

6384493 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 62208, while the sum is 37.

The square root of 6384493 is about 2526.7554293995. The cubic root of 6384493 is about 185.5134797420.

The spelling of 6384493 in words is "six million, three hundred eighty-four thousand, four hundred ninety-three".