5636938 has 4 divisors (see below), whose sum is σ = 8455410. Its totient is φ = 2818468.

The previous prime is 5636929. The next prime is 5636957. The reversal of 5636938 is 8396365.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 8396365 = 5 ⋅1679273.

It can be written as a sum of positive squares in only one way, i.e., 3583449 + 2053489 = 1893^2 + 1433^2 .

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a self number, because there is not a number n which added to its sum of digits gives 5636938.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1409233 + ... + 1409236.

Almost surely, 2^5636938 is an apocalyptic number.

5636938 is a deficient number, since it is larger than the sum of its proper divisors (2818472).

5636938 is a wasteful number, since it uses less digits than its factorization.

5636938 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2818471.

The product of its digits is 116640, while the sum is 40.

The square root of 5636938 is about 2374.2236625895. The cubic root of 5636938 is about 177.9703902269.

The spelling of 5636938 in words is "five million, six hundred thirty-six thousand, nine hundred thirty-eight".