450636 has 36 divisors (see below), whose sum is σ = 1137528. Its totient is φ = 138368.

The previous prime is 450617. The next prime is 450641. The reversal of 450636 is 636054.

450636 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a hoax number, since the sum of its digits (24) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 9565 + ... + 9611.

It is an arithmetic number, because the mean of its divisors is an integer number (31598).

2⁴⁵⁰⁶³⁶ 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 450636, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (568764).

450636 is an abundant number, since it is smaller than the sum of its proper divisors (686892).

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

450636 is a wasteful number, since it uses less digits than its factorization.

450636 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118 (or 69 counting only the distinct ones).

The product of its (nonzero) digits is 2160, while the sum is 24.

The square root of 450636 is about 671.2942722830. The cubic root of 450636 is about 76.6670279336.

The spelling of 450636 in words is "four hundred fifty thousand, six hundred thirty-six".