636352 has 28 divisors (see below), whose sum is σ = 1291336. Its totient is φ = 311040.

The previous prime is 636343. The next prime is 636353. The reversal of 636352 is 253636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636353) by changing a digit.

636352 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3823 + ... + 3985.

2⁶³⁶³⁵² 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 636352, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (645668).

636352 is an abundant number, since it is smaller than the sum of its proper divisors (654984).

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

636352 is a wasteful number, since it uses less digits than its factorization.

636352 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 236 (or 226 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 636352 is about 797.7167417072. The cubic root of 636352 is about 86.0133384756.

Adding to 636352 its reverse (253636), we get a palindrome (889988).

The spelling of 636352 in words is "six hundred thirty-six thousand, three hundred fifty-two".