5663843 has 8 divisors (see below), whose sum is σ = 5987520. Its totient is φ = 5342760.

The previous prime is 5663821. The next prime is 5663887. The reversal of 5663843 is 3483665.

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

It is a cyclic number.

It is not a de Polignac number, because 5663843 - 2²⁰ = 4615267 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5663803) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5348 + ... + 6318.

It is an arithmetic number, because the mean of its divisors is an integer number (748440).

Almost surely, 2^5663843 is an apocalyptic number.

5663843 is a deficient number, since it is larger than the sum of its proper divisors (323677).

5663843 is a wasteful number, since it uses less digits than its factorization.

5663843 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1297.

The product of its digits is 51840, while the sum is 35.

The square root of 5663843 is about 2379.8829803165. The cubic root of 5663843 is about 178.2530907132.

The spelling of 5663843 in words is "five million, six hundred sixty-three thousand, eight hundred forty-three".