6497493 has 8 divisors (see below), whose sum is σ = 8810400. Its totient is φ = 4258128.

The previous prime is 6497483. The next prime is 6497497. The reversal of 6497493 is 3947946.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 6497493 - 2⁵ = 6497461 is a prime.

It is a Smith number, since the sum of its digits (42) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

6497493 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6497497) 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 in 7 ways as a sum of consecutive naturals, for example, 18178 + ... + 18531.

It is an arithmetic number, because the mean of its divisors is an integer number (1101300).

Almost surely, 2^6497493 is an apocalyptic number.

It is an amenable number.

6497493 is a deficient number, since it is larger than the sum of its proper divisors (2312907).

6497493 is a wasteful number, since it uses less digits than its factorization.

6497493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 36771.

The product of its digits is 163296, while the sum is 42.

The square root of 6497493 is about 2549.0180462288. The cubic root of 6497493 is about 186.6015614082.

The spelling of 6497493 in words is "six million, four hundred ninety-seven thousand, four hundred ninety-three".