5638935 has 32 divisors (see below), whose sum is σ = 9471168. Its totient is φ = 2862080.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638935 is 5398365.

It is not a de Polignac number, because 5638935 - 2¹³ = 5630743 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 5638893 and 5638902.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5638939) by changing a digit.

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 31 ways as a sum of consecutive naturals, for example, 32509 + ... + 32681.

It is an arithmetic number, because the mean of its divisors is an integer number (295974).

Almost surely, 2^5638935 is an apocalyptic number.

5638935 is a deficient number, since it is larger than the sum of its proper divisors (3832233).

5638935 is a wasteful number, since it uses less digits than its factorization.

5638935 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 275.

The product of its digits is 97200, while the sum is 39.

The square root of 5638935 is about 2374.6441838726. The cubic root of 5638935 is about 177.9914042897.

The spelling of 5638935 in words is "five million, six hundred thirty-eight thousand, nine hundred thirty-five".