5636645 has 8 divisors (see below), whose sum is σ = 7730304. Its totient is φ = 3865104.

The previous prime is 5636629. The next prime is 5636651. The reversal of 5636645 is 5466365.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 5636645 - 2⁴ = 5636629 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (35), and also a Moran number because the ratio is a prime number: 161047 = 5636645 / (5 + 6 + 3 + 6 + 6 + 4 + 5).

It is a Duffinian number.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 80489 + ... + 80558.

It is an arithmetic number, because the mean of its divisors is an integer number (966288).

Almost surely, 2^5636645 is an apocalyptic number.

It is an amenable number.

5636645 is a deficient number, since it is larger than the sum of its proper divisors (2093659).

5636645 is a wasteful number, since it uses less digits than its factorization.

5636645 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 161059.

The product of its digits is 64800, while the sum is 35.

The square root of 5636645 is about 2374.1619574073. The cubic root of 5636645 is about 177.9673066244.

The spelling of 5636645 in words is "five million, six hundred thirty-six thousand, six hundred forty-five".