635328 has 42 divisors (see below), whose sum is σ = 1822704. Its totient is φ = 211584.

The previous prime is 635317. The next prime is 635333. The reversal of 635328 is 823536.

635328 is a `hidden beast` number, since 635 + 3 + 28 = 666.

It is a congruent number.

It is an unprimeable number.

635328 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 5 ways as a sum of consecutive naturals, for example, 25 + ... + 1127.

2⁶³⁵³²⁸ 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 635328, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (911352).

635328 is an abundant number, since it is smaller than the sum of its proper divisors (1187376).

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

635328 is a wasteful number, since it uses less digits than its factorization.

635328 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1121 (or 1108 counting only the distinct ones).

The product of its digits is 4320, while the sum is 27.

The square root of 635328 is about 797.0746514599. The cubic root of 635328 is about 85.9671769460.

The spelling of 635328 in words is "six hundred thirty-five thousand, three hundred twenty-eight".