635320 has 32 divisors (see below), whose sum is σ = 1634400. Its totient is φ = 217728.

The previous prime is 635317. The next prime is 635333. The reversal of 635320 is 23536.

635320 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 855 + ... + 1414.

It is an arithmetic number, because the mean of its divisors is an integer number (51075).

2⁶³⁵³²⁰ is an apocalyptic number.

It is an amenable number.

635320 is an abundant number, since it is smaller than the sum of its proper divisors (999080).

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

635320 is a wasteful number, since it uses less digits than its factorization.

635320 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2287 (or 2283 counting only the distinct ones).

The product of its (nonzero) digits is 540, while the sum is 19.

The square root of 635320 is about 797.0696330936. The cubic root of 635320 is about 85.9668161139.

Adding to 635320 its reverse (23536), we get a palindrome (658856).

The spelling of 635320 in words is "six hundred thirty-five thousand, three hundred twenty".