635768 has 16 divisors (see below), whose sum is σ = 1362480. Its totient is φ = 272448.

The previous prime is 635737. The next prime is 635777. The reversal of 635768 is 867536.

It is a happy number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 635768.

It is an unprimeable number.

635768 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5621 + ... + 5732.

It is an arithmetic number, because the mean of its divisors is an integer number (85155).

2⁶³⁵⁷⁶⁸ is an apocalyptic number.

It is an amenable number.

635768 is an abundant number, since it is smaller than the sum of its proper divisors (726712).

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

635768 is a wasteful number, since it uses less digits than its factorization.

635768 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11366 (or 11362 counting only the distinct ones).

The product of its digits is 30240, while the sum is 35.

The square root of 635768 is about 797.3506129677. The cubic root of 635768 is about 85.9870180513.

The spelling of 635768 in words is "six hundred thirty-five thousand, seven hundred sixty-eight".