3636560 has 40 divisors (see below), whose sum is σ = 8544096. Its totient is φ = 1439360.

The previous prime is 3636551. The next prime is 3636569. The reversal of 3636560 is 656363.

It is an interprime number because it is at equal distance from previous prime (3636551) and next prime (3636569).

It is a tau number, because it is divible by the number of its divisors (40).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (3636569) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 10307 + ... + 10653.

Almost surely, 2^3636560 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 3636560, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4272048).

3636560 is an abundant number, since it is smaller than the sum of its proper divisors (4907536).

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

3636560 is a wasteful number, since it uses less digits than its factorization.

3636560 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 491 (or 485 counting only the distinct ones).

The product of its (nonzero) digits is 9720, while the sum is 29.

The square root of 3636560 is about 1906.9766647759. The cubic root of 3636560 is about 153.7789598874.

The spelling of 3636560 in words is "three million, six hundred thirty-six thousand, five hundred sixty".