6486493 has 4 divisors (see below), whose sum is σ = 6985468. Its totient is φ = 5987520.

The previous prime is 6486479. The next prime is 6486499. The reversal of 6486493 is 3946846.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 4108729 + 2377764 = 2027^2 + 1542^2 .

It is a cyclic number.

It is not a de Polignac number, because 6486493 - 2⁵ = 6486461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6486499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 249468 + ... + 249493.

It is an arithmetic number, because the mean of its divisors is an integer number (1746367).

Almost surely, 2^6486493 is an apocalyptic number.

It is an amenable number.

6486493 is a deficient number, since it is larger than the sum of its proper divisors (498975).

6486493 is a wasteful number, since it uses less digits than its factorization.

6486493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 498974.

The product of its digits is 124416, while the sum is 40.

The square root of 6486493 is about 2546.8594386028. The cubic root of 6486493 is about 186.4961988937.

The spelling of 6486493 in words is "six million, four hundred eighty-six thousand, four hundred ninety-three".