6693864 has 16 divisors (see below), whose sum is σ = 16734720. Its totient is φ = 2231280.

The previous prime is 6693839. The next prime is 6693887. The reversal of 6693864 is 4683966.

It is an unprimeable number.

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, 139432 + ... + 139479.

It is an arithmetic number, because the mean of its divisors is an integer number (1045920).

Almost surely, 2^6693864 is an apocalyptic number.

It is an amenable number.

6693864 is an abundant number, since it is smaller than the sum of its proper divisors (10040856).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

6693864 is a wasteful number, since it uses less digits than its factorization.

6693864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 278920 (or 278916 counting only the distinct ones).

The product of its digits is 186624, while the sum is 42.

The square root of 6693864 is about 2587.2502778046. The cubic root of 6693864 is about 188.4627952286.

It can be divided in two parts, 6693 and 864, that added together give a palindrome (7557).

The spelling of 6693864 in words is "six million, six hundred ninety-three thousand, eight hundred sixty-four".