281874 has 16 divisors (see below), whose sum is σ = 570240. Its totient is φ = 92880.

The previous prime is 281867. The next prime is 281887. The reversal of 281874 is 478182.

It is a zygodrome in base 5.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281874.

It is an unprimeable number.

281874 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 439 + ... + 869.

It is an arithmetic number, because the mean of its divisors is an integer number (35640).

2²⁸¹⁸⁷⁴ is an apocalyptic number.

281874 is an abundant number, since it is smaller than the sum of its proper divisors (288366).

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

281874 is a wasteful number, since it uses less digits than its factorization.

281874 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 545.

The product of its digits is 3584, while the sum is 30.

The square root of 281874 is about 530.9180727758. The cubic root of 281874 is about 65.5669536609.

The spelling of 281874 in words is "two hundred eighty-one thousand, eight hundred seventy-four".