634448 has 20 divisors (see below), whose sum is σ = 1294560. Its totient is φ = 300384.

The previous prime is 634441. The next prime is 634471. The reversal of 634448 is 844436.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 634448.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (634441) by changing a digit.

634448 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, 740 + ... + 1347.

It is an arithmetic number, because the mean of its divisors is an integer number (64728).

2⁶³⁴⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

634448 is an abundant number, since it is smaller than the sum of its proper divisors (660112).

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

634448 is a wasteful number, since it uses less digits than its factorization.

634448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2114 (or 2108 counting only the distinct ones).

The product of its digits is 9216, while the sum is 29.

The square root of 634448 is about 796.5224416173. The cubic root of 634448 is about 85.9274672365.

The spelling of 634448 in words is "six hundred thirty-four thousand, four hundred forty-eight".