6697393 has 4 divisors (see below), whose sum is σ = 6988608. Its totient is φ = 6406180.

The previous prime is 6697381. The next prime is 6697399. The reversal of 6697393 is 3937966.

It is a happy number.

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, and also an emirpimes, since its reverse is a distinct semiprime: 3937966 = 2 ⋅1968983.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-6697393 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (6697399) 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 3 ways as a sum of consecutive naturals, for example, 145573 + ... + 145618.

It is an arithmetic number, because the mean of its divisors is an integer number (1747152).

Almost surely, 2^6697393 is an apocalyptic number.

It is an amenable number.

6697393 is a deficient number, since it is larger than the sum of its proper divisors (291215).

6697393 is a wasteful number, since it uses less digits than its factorization.

6697393 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 291214.

The product of its digits is 183708, while the sum is 43.

The square root of 6697393 is about 2587.9321861285. The cubic root of 6697393 is about 188.4959085576.

The spelling of 6697393 in words is "six million, six hundred ninety-seven thousand, three hundred ninety-three".