5645688 has 32 divisors (see below), whose sum is σ = 14328960. Its totient is φ = 1853280.

The previous prime is 5645681. The next prime is 5645693. The reversal of 5645688 is 8865465.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5645681) 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 7 ways as a sum of consecutive naturals, for example, 148 + ... + 3363.

It is an arithmetic number, because the mean of its divisors is an integer number (447780).

Almost surely, 2^5645688 is an apocalyptic number.

It is an amenable number.

5645688 is an abundant number, since it is smaller than the sum of its proper divisors (8683272).

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

5645688 is a wasteful number, since it uses less digits than its factorization.

5645688 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3587 (or 3583 counting only the distinct ones).

The product of its digits is 230400, while the sum is 42.

The square root of 5645688 is about 2376.0656556585. The cubic root of 5645688 is about 178.0624281300.

The spelling of 5645688 in words is "five million, six hundred forty-five thousand, six hundred eighty-eight".