6393693 has 4 divisors (see below), whose sum is σ = 8524928. Its totient is φ = 4262460.

The previous prime is 6393691. The next prime is 6393731. The reversal of 6393693 is 3963936.

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 6393693 - 2¹ = 6393691 is a prime.

It is a D-number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6393691) 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, 1065613 + ... + 1065618.

It is an arithmetic number, because the mean of its divisors is an integer number (2131232).

Almost surely, 2^6393693 is an apocalyptic number.

It is an amenable number.

6393693 is a deficient number, since it is larger than the sum of its proper divisors (2131235).

6393693 is a wasteful number, since it uses less digits than its factorization.

6393693 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2131234.

The product of its digits is 78732, while the sum is 39.

The square root of 6393693 is about 2528.5752905540. The cubic root of 6393693 is about 185.6025447562.

The spelling of 6393693 in words is "six million, three hundred ninety-three thousand, six hundred ninety-three".