635448 has 64 divisors (see below), whose sum is σ = 1814400. Its totient is φ = 183680.

The previous prime is 635441. The next prime is 635449. The reversal of 635448 is 844536.

Its product of digits (11520) is a multiple of the sum of its prime divisors (128).

It is a nialpdrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (635441) by changing a digit.

635448 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 15 ways as a sum of consecutive naturals, for example, 7615 + ... + 7697.

It is an arithmetic number, because the mean of its divisors is an integer number (28350).

2⁶³⁵⁴⁴⁸ 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 635448, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (907200).

635448 is an abundant number, since it is smaller than the sum of its proper divisors (1178952).

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

635448 is a wasteful number, since it uses less digits than its factorization.

635448 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 132 (or 128 counting only the distinct ones).

The product of its digits is 11520, while the sum is 30.

The square root of 635448 is about 797.1499231638. The cubic root of 635448 is about 85.9725890648.

The spelling of 635448 in words is "six hundred thirty-five thousand, four hundred forty-eight".