636496 has 20 divisors (see below), whose sum is σ = 1409632. Its totient is φ = 272736.

The previous prime is 636473. The next prime is 636499. The reversal of 636496 is 694636.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (636499) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2730 + ... + 2953.

2⁶³⁶⁴⁹⁶ is an apocalyptic number.

It is an amenable number.

636496 is an abundant number, since it is smaller than the sum of its proper divisors (773136).

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

636496 is a wasteful number, since it uses less digits than its factorization.

636496 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5698 (or 5692 counting only the distinct ones).

The product of its digits is 23328, while the sum is 34.

The square root of 636496 is about 797.8069942035. The cubic root of 636496 is about 86.0198259681.

The spelling of 636496 in words is "six hundred thirty-six thousand, four hundred ninety-six".