6693965 has 4 divisors (see below), whose sum is σ = 8032764. Its totient is φ = 5355168.

The previous prime is 6693961. The next prime is 6693991. The reversal of 6693965 is 5693966.

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 5299204 + 1394761 = 2302^2 + 1181^2 .

It is a cyclic number.

It is not a de Polignac number, because 6693965 - 2² = 6693961 is a prime.

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6693961) 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, 669392 + ... + 669401.

It is an arithmetic number, because the mean of its divisors is an integer number (2008191).

Almost surely, 2^6693965 is an apocalyptic number.

It is an amenable number.

6693965 is a deficient number, since it is larger than the sum of its proper divisors (1338799).

6693965 is a wasteful number, since it uses less digits than its factorization.

6693965 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1338798.

The product of its digits is 262440, while the sum is 44.

The square root of 6693965 is about 2587.2697965230. The cubic root of 6693965 is about 188.4637430941.

Subtracting from 6693965 its reverse (5693966), we obtain a palindrome (999999).

The spelling of 6693965 in words is "six million, six hundred ninety-three thousand, nine hundred sixty-five".