5305638 has 32 divisors (see below), whose sum is σ = 11515392. Its totient is φ = 1620000.

The previous prime is 5305627. The next prime is 5305667. The reversal of 5305638 is 8365035.

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 15 ways as a sum of consecutive naturals, for example, 19443 + ... + 19713.

It is an arithmetic number, because the mean of its divisors is an integer number (359856).

Almost surely, 2^5305638 is an apocalyptic number.

5305638 is an abundant number, since it is smaller than the sum of its proper divisors (6209754).

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

5305638 is a wasteful number, since it uses less digits than its factorization.

5305638 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 540.

The product of its (nonzero) digits is 10800, while the sum is 30.

The square root of 5305638 is about 2303.3970565233. The cubic root of 5305638 is about 174.4131416674.

The spelling of 5305638 in words is "five million, three hundred five thousand, six hundred thirty-eight".