3636564 has 24 divisors (see below), whose sum is σ = 8537760. Its totient is φ = 1204704.

The previous prime is 3636551. The next prime is 3636569. The reversal of 3636564 is 4656363.

It is a happy 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 polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1302 + ... + 2994.

It is an arithmetic number, because the mean of its divisors is an integer number (355740).

Almost surely, 2^3636564 is an apocalyptic number.

It is an amenable number.

3636564 is an abundant number, since it is smaller than the sum of its proper divisors (4901196).

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

3636564 is a wasteful number, since it uses less digits than its factorization.

3636564 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1879 (or 1877 counting only the distinct ones).

The product of its digits is 38880, while the sum is 33.

The square root of 3636564 is about 1906.9777135562. The cubic root of 3636564 is about 153.7790162699.

The spelling of 3636564 in words is "three million, six hundred thirty-six thousand, five hundred sixty-four".