635238 has 12 divisors (see below), whose sum is σ = 1376388. Its totient is φ = 211740.

The previous prime is 635207. The next prime is 635249. The reversal of 635238 is 832536.

635238 is a `hidden beast` number, since 635 + 23 + 8 = 666.

635238 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 5 ways as a sum of consecutive naturals, for example, 17628 + ... + 17663.

It is an arithmetic number, because the mean of its divisors is an integer number (114699).

2⁶³⁵²³⁸ is an apocalyptic number.

635238 is an abundant number, since it is smaller than the sum of its proper divisors (741150).

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

635238 is a wasteful number, since it uses less digits than its factorization.

635238 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 35299 (or 35296 counting only the distinct ones).

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

The square root of 635238 is about 797.0181930169. The cubic root of 635238 is about 85.9631174097.

The spelling of 635238 in words is "six hundred thirty-five thousand, two hundred thirty-eight".