5636660 has 12 divisors (see below), whose sum is σ = 11837028. Its totient is φ = 2254656.

The previous prime is 5636651. The next prime is 5636669. The reversal of 5636660 is 666365.

Added to its reverse (666365) it gives a triangular number (6303025 = T₃₅₅₀).

It is an interprime number because it is at equal distance from previous prime (5636651) and next prime (5636669).

It can be written as a sum of positive squares in 2 ways, for example, as 1965604 + 3671056 = 1402^2 + 1916^2 .

It is a hoax number, since the sum of its digits (32) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5636669) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 140897 + ... + 140936.

It is an arithmetic number, because the mean of its divisors is an integer number (986419).

Almost surely, 2^5636660 is an apocalyptic number.

It is an amenable number.

5636660 is an abundant number, since it is smaller than the sum of its proper divisors (6200368).

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

5636660 is a wasteful number, since it uses less digits than its factorization.

5636660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 281842 (or 281840 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 32.

The square root of 5636660 is about 2374.1651164146. The cubic root of 5636660 is about 177.9674644906.

Adding to 5636660 its reverse (666365), we get a triangular number (6303025 = T₃₅₅₀).

The spelling of 5636660 in words is "five million, six hundred thirty-six thousand, six hundred sixty".