5638000 has 40 divisors (see below), whose sum is σ = 13637520. Its totient is φ = 2254400.

The previous prime is 5637997. The next prime is 5638019. The reversal of 5638000 is 8365.

It is a tau number, because it is divible by the number of its divisors (40).

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 591 + ... + 3409.

It is an arithmetic number, because the mean of its divisors is an integer number (340938).

Almost surely, 2^5638000 is an apocalyptic number.

5638000 is a gapful number since it is divisible by the number (50) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 5638000, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (6818760).

5638000 is an abundant number, since it is smaller than the sum of its proper divisors (7999520).

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

5638000 is a wasteful number, since it uses less digits than its factorization.

5638000 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2842 (or 2826 counting only the distinct ones).

The product of its (nonzero) digits is 720, while the sum is 22.

The square root of 5638000 is about 2374.4473041110. The cubic root of 5638000 is about 177.9815660749.

The spelling of 5638000 in words is "five million, six hundred thirty-eight thousand".