635632 has 10 divisors (see below), whose sum is σ = 1231568. Its totient is φ = 317808.

The previous prime is 635617. The next prime is 635639. The reversal of 635632 is 236536.

635632 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a junction number, because it is equal to n+sod(n) for n = 635597 and 635606.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635639) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 19848 + ... + 19879.

2⁶³⁵⁶³² is an apocalyptic number.

It is an amenable number.

635632 is a deficient number, since it is larger than the sum of its proper divisors (595936).

635632 is a wasteful number, since it uses less digits than its factorization.

635632 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 39735 (or 39729 counting only the distinct ones).

The product of its digits is 3240, while the sum is 25.

The square root of 635632 is about 797.2653259737. The cubic root of 635632 is about 85.9808863237.

The spelling of 635632 in words is "six hundred thirty-five thousand, six hundred thirty-two".