5636646 has 12 divisors (see below), whose sum is σ = 12212772. Its totient is φ = 1878876.

The previous prime is 5636629. The next prime is 5636651. The reversal of 5636646 is 6466365.

5636646 is a `hidden beast` number, since 5 + 6 + 3 + 6 + 646 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 5636646.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156556 + ... + 156591.

It is an arithmetic number, because the mean of its divisors is an integer number (1017731).

Almost surely, 2^5636646 is an apocalyptic number.

5636646 is an abundant number, since it is smaller than the sum of its proper divisors (6576126).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

5636646 is a wasteful number, since it uses less digits than its factorization.

5636646 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 313155 (or 313152 counting only the distinct ones).

The product of its digits is 77760, while the sum is 36.

The square root of 5636646 is about 2374.1621680079. The cubic root of 5636646 is about 177.9673171489.

The spelling of 5636646 in words is "five million, six hundred thirty-six thousand, six hundred forty-six".