636226 has 8 divisors (see below), whose sum is σ = 995904. Its totient is φ = 304260.

The previous prime is 636217. The next prime is 636241. The reversal of 636226 is 622636.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 636226.

It is an unprimeable number.

636226 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, 6870 + ... + 6961.

It is an arithmetic number, because the mean of its divisors is an integer number (124488).

2⁶³⁶²²⁶ is an apocalyptic number.

636226 is a deficient number, since it is larger than the sum of its proper divisors (359678).

636226 is a wasteful number, since it uses less digits than its factorization.

636226 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13856.

The product of its digits is 2592, while the sum is 25.

The square root of 636226 is about 797.6377623959. The cubic root of 636226 is about 86.0076611167.

The spelling of 636226 in words is "six hundred thirty-six thousand, two hundred twenty-six".