5638856 has 8 divisors (see below), whose sum is σ = 10572870. Its totient is φ = 2819424.

The previous prime is 5638823. The next prime is 5638859. The reversal of 5638856 is 6588365.

It can be written as a sum of positive squares in only one way, i.e., 5134756 + 504100 = 2266^2 + 710^2 .

It is a tau number, because it is divible by the number of its divisors (8).

It is not an unprimeable number, because it can be changed into a prime (5638859) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 352421 + ... + 352436.

Almost surely, 2^5638856 is an apocalyptic number.

It is an amenable number.

5638856 is a deficient number, since it is larger than the sum of its proper divisors (4934014).

5638856 is a wasteful number, since it uses less digits than its factorization.

5638856 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704863 (or 704859 counting only the distinct ones).

The product of its digits is 172800, while the sum is 41.

The square root of 5638856 is about 2374.6275497433. The cubic root of 5638856 is about 177.9905730815.

The spelling of 5638856 in words is "five million, six hundred thirty-eight thousand, eight hundred fifty-six".