281448 has 32 divisors (see below), whose sum is σ = 782400. Its totient is φ = 93744.

The previous prime is 281431. The next prime is 281509. The reversal of 281448 is 844182.

It is a Harshad number since it is a multiple of its sum of digits (27).

It is a nude number because it is divisible by every one of its digits.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281448.

It is an unprimeable number.

281448 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 7 ways as a sum of consecutive naturals, for example, 436 + ... + 867.

It is an arithmetic number, because the mean of its divisors is an integer number (24450).

2²⁸¹⁴⁴⁸ is an apocalyptic number.

It is an amenable number.

281448 is an abundant number, since it is smaller than the sum of its proper divisors (500952).

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

281448 is a wasteful number, since it uses less digits than its factorization.

281448 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1318 (or 1308 counting only the distinct ones).

The product of its digits is 2048, while the sum is 27.

The square root of 281448 is about 530.5167292367. The cubic root of 281448 is about 65.5339062648.

It can be divided in two parts, 281 and 448, that added together give a 6-th power (729 = 3⁶).

The spelling of 281448 in words is "two hundred eighty-one thousand, four hundred forty-eight".