5638933 has 4 divisors (see below), whose sum is σ = 5884128. Its totient is φ = 5393740.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638933 is 3398365.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5638933 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 5638892 and 5638901.

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 polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 122563 + ... + 122608.

It is an arithmetic number, because the mean of its divisors is an integer number (1471032).

Almost surely, 2^5638933 is an apocalyptic number.

It is an amenable number.

5638933 is a deficient number, since it is larger than the sum of its proper divisors (245195).

5638933 is a wasteful number, since it uses less digits than its factorization.

5638933 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 245194.

The product of its digits is 58320, while the sum is 37.

The square root of 5638933 is about 2374.6437627568. The cubic root of 5638933 is about 177.9913832466.

The spelling of 5638933 in words is "five million, six hundred thirty-eight thousand, nine hundred thirty-three".