636230 has 32 divisors (see below), whose sum is σ = 1339200. Its totient is φ = 213120.

The previous prime is 636217. The next prime is 636241. The reversal of 636230 is 32636.

It is a happy number.

636230 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×636230² = 809577225800, which contains 22 as substring.

It is a Curzon number.

It is a congruent number.

It is an unprimeable number.

636230 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 15 ways as a sum of consecutive naturals, for example, 4196 + ... + 4344.

It is an arithmetic number, because the mean of its divisors is an integer number (41850).

2⁶³⁶²³⁰ is an apocalyptic number.

636230 is an abundant number, since it is smaller than the sum of its proper divisors (702970).

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

636230 is a wasteful number, since it uses less digits than its factorization.

636230 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 224.

The product of its (nonzero) digits is 648, while the sum is 20.

The square root of 636230 is about 797.6402697959. The cubic root of 636230 is about 86.0078413618.

Adding to 636230 its reverse (32636), we get a palindrome (668866).

The spelling of 636230 in words is "six hundred thirty-six thousand, two hundred thirty".