5638896 has 100 divisors (see below), whose sum is σ = 17254600. Its totient is φ = 1772928.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638896 is 6988365.

5638896 is a `hidden beast` number, since 5 + 638 + 8 + 9 + 6 = 666.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 19 ways as a sum of consecutive naturals, for example, 24510 + ... + 24738.

It is an arithmetic number, because the mean of its divisors is an integer number (172546).

Almost surely, 2^5638896 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5638896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (8627300).

5638896 is an abundant number, since it is smaller than the sum of its proper divisors (11615704).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5638896 is a wasteful number, since it uses less digits than its factorization.

5638896 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 268 (or 253 counting only the distinct ones).

The product of its digits is 311040, while the sum is 45.

The square root of 5638896 is about 2374.6359721018. The cubic root of 5638896 is about 177.9909939474.

The spelling of 5638896 in words is "five million, six hundred thirty-eight thousand, eight hundred ninety-six".