5664440 has 64 divisors (see below), whose sum is σ = 13685760. Its totient is φ = 2104960.

The previous prime is 5664431. The next prime is 5664443. The reversal of 5664440 is 444665.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664443) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 43175 + ... + 43305.

It is an arithmetic number, because the mean of its divisors is an integer number (213840).

Almost surely, 2^5664440 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5664440, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6842880).

5664440 is an abundant number, since it is smaller than the sum of its proper divisors (8021320).

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

5664440 is a wasteful number, since it uses less digits than its factorization.

5664440 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 212 (or 208 counting only the distinct ones).

The product of its (nonzero) digits is 11520, while the sum is 29.

The square root of 5664440 is about 2380.0084033465. The cubic root of 5664440 is about 178.2593534430.

The spelling of 5664440 in words is "five million, six hundred sixty-four thousand, four hundred forty".