5638841 has 8 divisors (see below), whose sum is σ = 6336960. Its totient is φ = 4978512.

The previous prime is 5638823. The next prime is 5638859. The reversal of 5638841 is 1488365.

It is an interprime number because it is at equal distance from previous prime (5638823) and next prime (5638859).

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 5638841 - 2⁶ = 5638777 is a prime.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (5638811) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9131 + ... + 9728.

It is an arithmetic number, because the mean of its divisors is an integer number (792120).

Almost surely, 2^5638841 is an apocalyptic number.

It is an amenable number.

5638841 is a deficient number, since it is larger than the sum of its proper divisors (698119).

5638841 is a wasteful number, since it uses less digits than its factorization.

5638841 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18895.

The product of its digits is 23040, while the sum is 35.

The square root of 5638841 is about 2374.6243913512. The cubic root of 5638841 is about 177.9904152563.

The spelling of 5638841 in words is "five million, six hundred thirty-eight thousand, eight hundred forty-one".