633808 has 20 divisors (see below), whose sum is σ = 1403680. Its totient is φ = 271584.

The previous prime is 633803. The next prime is 633823. The reversal of 633808 is 808336.

633808 is nontrivially palindromic in base 3.

633808 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Harshad number since it is a multiple of its sum of digits (28).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (633803) by changing a digit.

633808 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 3 ways as a sum of consecutive naturals, for example, 2718 + ... + 2941.

It is an arithmetic number, because the mean of its divisors is an integer number (70184).

2⁶³³⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

633808 is an abundant number, since it is smaller than the sum of its proper divisors (769872).

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

633808 is a wasteful number, since it uses less digits than its factorization.

633808 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5674 (or 5668 counting only the distinct ones).

The product of its (nonzero) digits is 3456, while the sum is 28.

The square root of 633808 is about 796.1205938801. The cubic root of 633808 is about 85.8985643787.

It can be divided in two parts, 633 and 808, that added together give a palindrome (1441).

The spelling of 633808 in words is "six hundred thirty-three thousand, eight hundred eight".