5638917 has 8 divisors (see below), whose sum is σ = 7960896. Its totient is φ = 3538112.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638917 is 7198365.

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 5638917 - 2¹⁰ = 5637893 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638957) 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, 55233 + ... + 55334.

It is an arithmetic number, because the mean of its divisors is an integer number (995112).

Almost surely, 2^5638917 is an apocalyptic number.

It is an amenable number.

5638917 is a deficient number, since it is larger than the sum of its proper divisors (2321979).

5638917 is a wasteful number, since it uses less digits than its factorization.

5638917 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110587.

The product of its digits is 45360, while the sum is 39.

The square root of 5638917 is about 2374.6403938281. The cubic root of 5638917 is about 177.9912149012.

It can be divided in two parts, 5638 and 917, that added together give a triangular number (6555 = T₁₁₄).

The spelling of 5638917 in words is "five million, six hundred thirty-eight thousand, nine hundred seventeen".