5697664 has 32 divisors (see below), whose sum is σ = 12974400. Its totient is φ = 2441472.

The previous prime is 5697661. The next prime is 5697673. The reversal of 5697664 is 4667965.

It is a tau number, because it is divible by the number of its divisors (32).

It is a self number, because there is not a number n which added to its sum of digits gives 5697664.

It is not an unprimeable number, because it can be changed into a prime (5697661) 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, 2284 + ... + 4075.

It is an arithmetic number, because the mean of its divisors is an integer number (405450).

Almost surely, 2^5697664 is an apocalyptic number.

It is an amenable number.

5697664 is an abundant number, since it is smaller than the sum of its proper divisors (7276736).

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

5697664 is an equidigital number, since it uses as much as digits as its factorization.

5697664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6380 (or 6368 counting only the distinct ones).

The product of its digits is 272160, while the sum is 43.

The square root of 5697664 is about 2386.9780057638. The cubic root of 5697664 is about 178.6071928976.

The spelling of 5697664 in words is "five million, six hundred ninety-seven thousand, six hundred sixty-four".