5641864 has 24 divisors (see below), whose sum is σ = 10808910. Its totient is φ = 2760576.

The previous prime is 5641861. The next prime is 5641897. The reversal of 5641864 is 4681465.

It can be written as a sum of positive squares in only one way, i.e., 5616900 + 24964 = 2370^2 + 158^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5641861) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 49872 + ... + 49984.

Almost surely, 2^5641864 is an apocalyptic number.

It is an amenable number.

5641864 is a deficient number, since it is larger than the sum of its proper divisors (5167046).

5641864 is a wasteful number, since it uses less digits than its factorization.

5641864 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 277 (or 194 counting only the distinct ones).

The product of its digits is 23040, while the sum is 34.

The square root of 5641864 is about 2375.2608277829. The cubic root of 5641864 is about 178.0222166437.

The spelling of 5641864 in words is "five million, six hundred forty-one thousand, eight hundred sixty-four".