6493393 has 4 divisors (see below), whose sum is σ = 6509988. Its totient is φ = 6476800.

The previous prime is 6493381. The next prime is 6493397. The reversal of 6493393 is 3933946.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3933946 = 2 ⋅1966973.

It can be written as a sum of positive squares in 2 ways, for example, as 6411024 + 82369 = 2532^2 + 287^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6493393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6493397) 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, 7696 + ... + 8497.

It is an arithmetic number, because the mean of its divisors is an integer number (1627497).

Almost surely, 2^6493393 is an apocalyptic number.

It is an amenable number.

6493393 is a deficient number, since it is larger than the sum of its proper divisors (16595).

6493393 is a wasteful number, since it uses less digits than its factorization.

6493393 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16594.

The product of its digits is 52488, while the sum is 37.

The square root of 6493393 is about 2548.2136880568. The cubic root of 6493393 is about 186.5623038371.

It can be divided in two parts, 6493 and 393, that added together give a palindrome (6886).

The spelling of 6493393 in words is "six million, four hundred ninety-three thousand, three hundred ninety-three".