634452 has 72 divisors (see below), whose sum is σ = 1876896. Its totient is φ = 165312.

The previous prime is 634441. The next prime is 634471. The reversal of 634452 is 254436.

634452 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.

634452 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 23 ways as a sum of consecutive naturals, for example, 7603 + ... + 7685.

It is an arithmetic number, because the mean of its divisors is an integer number (26068).

2⁶³⁴⁴⁵² is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 634452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (938448).

634452 is an abundant number, since it is smaller than the sum of its proper divisors (1242444).

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

634452 is a wasteful number, since it uses less digits than its factorization.

634452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 117 (or 108 counting only the distinct ones).

The product of its digits is 2880, while the sum is 24.

The square root of 634452 is about 796.5249525282. The cubic root of 634452 is about 85.9276478182.

Adding to 634452 its reverse (254436), we get a palindrome (888888).

The spelling of 634452 in words is "six hundred thirty-four thousand, four hundred fifty-two".