5638443 has 8 divisors (see below), whose sum is σ = 7701456. Its totient is φ = 3667200.

The previous prime is 5638433. The next prime is 5638489. The reversal of 5638443 is 3448365.

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

It is not a de Polignac number, because 5638443 - 2⁵ = 5638411 is a prime.

5638443 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (5638433) 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, 22798 + ... + 23043.

It is an arithmetic number, because the mean of its divisors is an integer number (962682).

Almost surely, 2^5638443 is an apocalyptic number.

5638443 is a deficient number, since it is larger than the sum of its proper divisors (2063013).

5638443 is a wasteful number, since it uses less digits than its factorization.

5638443 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 45885.

The product of its digits is 34560, while the sum is 33.

The square root of 5638443 is about 2374.5405871452. The cubic root of 5638443 is about 177.9862275251.

The spelling of 5638443 in words is "five million, six hundred thirty-eight thousand, four hundred forty-three".