4535636 has 36 divisors (see below), whose sum is σ = 9389268. Its totient is φ = 1911168.

The previous prime is 4535611. The next prime is 4535639. The reversal of 4535636 is 6365354.

It can be written as a sum of positive squares in 2 ways, for example, as 1223236 + 3312400 = 1106^2 + 1820^2 .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4535639) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 14150 + ... + 14466.

It is an arithmetic number, because the mean of its divisors is an integer number (260813).

Almost surely, 2^4535636 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 4535636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (4694634).

4535636 is an abundant number, since it is smaller than the sum of its proper divisors (4853632).

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

4535636 is a wasteful number, since it uses less digits than its factorization.

4535636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 408 (or 399 counting only the distinct ones).

The product of its digits is 32400, while the sum is 32.

The square root of 4535636 is about 2129.7032657157. The cubic root of 4535636 is about 165.5310225614.

The spelling of 4535636 in words is "four million, five hundred thirty-five thousand, six hundred thirty-six".