5599638 has 48 divisors (see below), whose sum is σ = 13693680. Its totient is φ = 1694880.

The previous prime is 5599637. The next prime is 5599651. The reversal of 5599638 is 8369955.

5599638 is a `hidden beast` number, since 5 + 5 + 9 + 9 + 638 = 666.

It is a junction number, because it is equal to n+sod(n) for n = 5599593 and 5599602.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5599637) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6106 + ... + 6962.

It is an arithmetic number, because the mean of its divisors is an integer number (285285).

Almost surely, 2^5599638 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5599638, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6846840).

5599638 is an abundant number, since it is smaller than the sum of its proper divisors (8094042).

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

5599638 is a wasteful number, since it uses less digits than its factorization.

5599638 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 890 (or 873 counting only the distinct ones).

The product of its digits is 291600, while the sum is 45.

The square root of 5599638 is about 2366.3554255437. The cubic root of 5599638 is about 177.5769738226.

The spelling of 5599638 in words is "five million, five hundred ninety-nine thousand, six hundred thirty-eight".