5587638 has 16 divisors (see below), whose sum is σ = 12771840. Its totient is φ = 1596456.

The previous prime is 5587627. The next prime is 5587669. The reversal of 5587638 is 8367855.

It is a Harshad number since it is a multiple of its sum of digits (42), and also a Moran number because the ratio is a prime number: 133039 = 5587638 / (5 + 5 + 8 + 7 + 6 + 3 + 8).

It is a Curzon number.

It is a self number, because there is not a number n which added to its sum of digits gives 5587638.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 66478 + ... + 66561.

It is an arithmetic number, because the mean of its divisors is an integer number (798240).

Almost surely, 2^5587638 is an apocalyptic number.

5587638 is an abundant number, since it is smaller than the sum of its proper divisors (7184202).

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

5587638 is a wasteful number, since it uses less digits than its factorization.

5587638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 133051.

The product of its digits is 201600, while the sum is 42.

The square root of 5587638 is about 2363.8185209529. The cubic root of 5587638 is about 177.4500342069.

The spelling of 5587638 in words is "five million, five hundred eighty-seven thousand, six hundred thirty-eight".