281382 has 16 divisors (see below), whose sum is σ = 587520. Its totient is φ = 89672.

The previous prime is 281381. The next prime is 281419. The reversal of 281382 is 283182.

It is a Smith number, since the sum of its digits (24) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281382.

It is not an unprimeable number, because it can be changed into a prime (281381) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 882 + ... + 1157.

It is an arithmetic number, because the mean of its divisors is an integer number (36720).

2²⁸¹³⁸² is an apocalyptic number.

281382 is an abundant number, since it is smaller than the sum of its proper divisors (306138).

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

281382 is a wasteful number, since it uses less digits than its factorization.

281382 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2067.

The product of its digits is 768, while the sum is 24.

The square root of 281382 is about 530.4545220846. The cubic root of 281382 is about 65.5287832629.

The spelling of 281382 in words is "two hundred eighty-one thousand, three hundred eighty-two".