448428 has 12 divisors (see below), whose sum is σ = 1046360. Its totient is φ = 149472.

The previous prime is 448421. The next prime is 448451. The reversal of 448428 is 824844.

It is a tau number, because it is divible by the number of its divisors (12).

It is a junction number, because it is equal to n+sod(n) for n = 448395 and 448404.

It is not an unprimeable number, because it can be changed into a prime (448421) by changing a digit.

448428 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, 18673 + ... + 18696.

2⁴⁴⁸⁴²⁸ is an apocalyptic number.

It is an amenable number.

448428 is an abundant number, since it is smaller than the sum of its proper divisors (597932).

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

448428 is a wasteful number, since it uses less digits than its factorization.

448428 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 37376 (or 37374 counting only the distinct ones).

The product of its digits is 8192, while the sum is 30.

The square root of 448428 is about 669.6476685541. The cubic root of 448428 is about 76.5416066548.

It can be divided in two parts, 44842 and 8, that added together give a triangular number (44850 = T₂₉₉).

The spelling of 448428 in words is "four hundred forty-eight thousand, four hundred twenty-eight".