636234 has 16 divisors (see below), whose sum is σ = 1339680. Its totient is φ = 200880.

The previous prime is 636217. The next prime is 636241. The reversal of 636234 is 432636.

636234 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an unprimeable number.

636234 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 7 ways as a sum of consecutive naturals, for example, 2677 + ... + 2904.

It is an arithmetic number, because the mean of its divisors is an integer number (83730).

2⁶³⁶²³⁴ is an apocalyptic number.

636234 is an abundant number, since it is smaller than the sum of its proper divisors (703446).

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

636234 is a wasteful number, since it uses less digits than its factorization.

636234 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5605.

The product of its digits is 2592, while the sum is 24.

The square root of 636234 is about 797.6427771879. The cubic root of 636234 is about 86.0080216062.

The spelling of 636234 in words is "six hundred thirty-six thousand, two hundred thirty-four".