5663943 has 12 divisors (see below), whose sum is σ = 8208720. Its totient is φ = 3763296.

The previous prime is 5663929. The next prime is 5663953. The reversal of 5663943 is 3493665.

5663943 is a `hidden beast` number, since 566 + 3 + 94 + 3 = 666.

5663943 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 5663943 - 2¹⁰ = 5662919 is a prime.

It is a hoax number, since the sum of its digits (36) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 5663898 and 5663907.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5663953) 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 11 ways as a sum of consecutive naturals, for example, 2355 + ... + 4107.

It is an arithmetic number, because the mean of its divisors is an integer number (684060).

Almost surely, 2^5663943 is an apocalyptic number.

5663943 is a deficient number, since it is larger than the sum of its proper divisors (2544777).

5663943 is a wasteful number, since it uses less digits than its factorization.

5663943 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2118 (or 2115 counting only the distinct ones).

The product of its digits is 58320, while the sum is 36.

The square root of 5663943 is about 2379.9039896601. The cubic root of 5663943 is about 178.2541397773.

The spelling of 5663943 in words is "five million, six hundred sixty-three thousand, nine hundred forty-three".