5663859 has 8 divisors (see below), whose sum is σ = 7602432. Its totient is φ = 3750600.

The previous prime is 5663821. The next prime is 5663887. The reversal of 5663859 is 9583665.

5663859 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 5663859 - 2⁹ = 5663347 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 5663859.

It is not an unprimeable number, because it can be changed into a prime (5663059) 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 7 ways as a sum of consecutive naturals, for example, 5799 + ... + 6704.

It is an arithmetic number, because the mean of its divisors is an integer number (950304).

Almost surely, 2^5663859 is an apocalyptic number.

5663859 is a deficient number, since it is larger than the sum of its proper divisors (1938573).

5663859 is a wasteful number, since it uses less digits than its factorization.

5663859 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12657.

The product of its digits is 194400, while the sum is 42.

The square root of 5663859 is about 2379.8863418239. The cubic root of 5663859 is about 178.2532585643.

The spelling of 5663859 in words is "five million, six hundred sixty-three thousand, eight hundred fifty-nine".