5638936 has 8 divisors (see below), whose sum is σ = 10573020. Its totient is φ = 2819464.

The previous prime is 5638873. The next prime is 5638939. The reversal of 5638936 is 6398365.

It is a tau number, because it is divible by the number of its divisors (8).

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 as a sum of consecutive naturals, namely, 352426 + ... + 352441.

Almost surely, 2^5638936 is an apocalyptic number.

It is an amenable number.

5638936 is a deficient number, since it is larger than the sum of its proper divisors (4934084).

5638936 is a wasteful number, since it uses less digits than its factorization.

5638936 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 704873 (or 704869 counting only the distinct ones).

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

The square root of 5638936 is about 2374.6443944305. The cubic root of 5638936 is about 177.9914148113.

The spelling of 5638936 in words is "five million, six hundred thirty-eight thousand, nine hundred thirty-six".