633738 has 32 divisors (see below), whose sum is σ = 1474560. Its totient is φ = 177840.

The previous prime is 633667. The next prime is 633739. The reversal of 633738 is 837336.

It is a happy number.

633738 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not an unprimeable number, because it can be changed into a prime (633739) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3223 + ... + 3413.

It is an arithmetic number, because the mean of its divisors is an integer number (46080).

2⁶³³⁷³⁸ is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 633738, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (737280).

633738 is an abundant number, since it is smaller than the sum of its proper divisors (840822).

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

633738 is a wasteful number, since it uses less digits than its factorization.

633738 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 282.

The product of its digits is 9072, while the sum is 30.

The square root of 633738 is about 796.0766294773. The cubic root of 633738 is about 85.8954019484.

The spelling of 633738 in words is "six hundred thirty-three thousand, seven hundred thirty-eight".