6386493 has 4 divisors (see below), whose sum is σ = 8515328. Its totient is φ = 4257660.

The previous prime is 6386491. The next prime is 6386519. The reversal of 6386493 is 3946836.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is not a de Polignac number, because 6386493 - 2¹ = 6386491 is a prime.

It is a D-number.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6386491) 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 in 3 ways as a sum of consecutive naturals, for example, 1064413 + ... + 1064418.

It is an arithmetic number, because the mean of its divisors is an integer number (2128832).

Almost surely, 2^6386493 is an apocalyptic number.

It is an amenable number.

6386493 is a deficient number, since it is larger than the sum of its proper divisors (2128835).

6386493 is a wasteful number, since it uses less digits than its factorization.

6386493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2128834.

The product of its digits is 93312, while the sum is 39.

The square root of 6386493 is about 2527.1511628710. The cubic root of 6386493 is about 185.5328489764.

The spelling of 6386493 in words is "six million, three hundred eighty-six thousand, four hundred ninety-three".