5664871 has 4 divisors (see below), whose sum is σ = 5686200. Its totient is φ = 5643544.

The previous prime is 5664851. The next prime is 5664931. The reversal of 5664871 is 1784665.

5664871 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1784665 = 5 ⋅356933.

It is a cyclic number.

It is not a de Polignac number, because 5664871 - 2⁹ = 5664359 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 5664871.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5664851) 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, 10261 + ... + 10798.

It is an arithmetic number, because the mean of its divisors is an integer number (1421550).

Almost surely, 2^5664871 is an apocalyptic number.

5664871 is a deficient number, since it is larger than the sum of its proper divisors (21329).

5664871 is a wasteful number, since it uses less digits than its factorization.

5664871 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 21328.

The product of its digits is 40320, while the sum is 37.

The square root of 5664871 is about 2380.0989475230. The cubic root of 5664871 is about 178.2638745038.

The spelling of 5664871 in words is "five million, six hundred sixty-four thousand, eight hundred seventy-one".