5636640 has 48 divisors (see below), whose sum is σ = 17756928. Its totient is φ = 1502976.

The previous prime is 5636629. The next prime is 5636651. The reversal of 5636640 is 466365.

It is an interprime number because it is at equal distance from previous prime (5636629) and next prime (5636651).

It is a tau number, because it is divible by the number of its divisors (48).

It is a Harshad number since it is a multiple of its sum of digits (30).

It is a junction number, because it is equal to n+sod(n) for n = 5636598 and 5636607.

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, 5392 + ... + 6351.

It is an arithmetic number, because the mean of its divisors is an integer number (369936).

Almost surely, 2^5636640 is an apocalyptic number.

It is an amenable number.

5636640 is an abundant number, since it is smaller than the sum of its proper divisors (12120288).

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

5636640 is a wasteful number, since it uses less digits than its factorization.

5636640 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11761 (or 11753 counting only the distinct ones).

The product of its (nonzero) digits is 12960, while the sum is 30.

The square root of 5636640 is about 2374.1609044039. The cubic root of 5636640 is about 177.9672540023.

The spelling of 5636640 in words is "five million, six hundred thirty-six thousand, six hundred forty".