6645692 has 12 divisors (see below), whose sum is σ = 11652816. Its totient is φ = 3316320.

The previous prime is 6645679. The next prime is 6645697. The reversal of 6645692 is 2965466.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (6645697) 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, 1208 + ... + 3840.

It is an arithmetic number, because the mean of its divisors is an integer number (971068).

Almost surely, 2^6645692 is an apocalyptic number.

It is an amenable number.

6645692 is a deficient number, since it is larger than the sum of its proper divisors (5007124).

6645692 is a wasteful number, since it uses less digits than its factorization.

6645692 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3268 (or 3266 counting only the distinct ones).

The product of its digits is 77760, while the sum is 38.

The square root of 6645692 is about 2577.9239709503. The cubic root of 6645692 is about 188.0096192452.

It can be divided in two parts, 6645 and 692, that added together give a palindrome (7337).

The spelling of 6645692 in words is "six million, six hundred forty-five thousand, six hundred ninety-two".