6645696 has 28 divisors (see below), whose sum is σ = 17583912. Its totient is φ = 2215168.

The previous prime is 6645679. The next prime is 6645697. The reversal of 6645696 is 6965466.

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 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, 17115 + ... + 17498.

Almost surely, 2^6645696 is an apocalyptic number.

It is an amenable number.

6645696 is an abundant number, since it is smaller than the sum of its proper divisors (10938216).

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

6645696 is a wasteful number, since it uses less digits than its factorization.

6645696 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34628 (or 34618 counting only the distinct ones).

The product of its digits is 233280, while the sum is 42.

The square root of 6645696 is about 2577.9247467682. The cubic root of 6645696 is about 188.0096569658.

The spelling of 6645696 in words is "six million, six hundred forty-five thousand, six hundred ninety-six".