281036 has 12 divisors (see below), whose sum is σ = 562128. Its totient is φ = 120432.

The previous prime is 281033. The next prime is 281053. The reversal of 281036 is 630182.

281036 is an admirable number.

It is a hoax number, since the sum of its digits (20) coincides with the sum of the digits of its distinct prime factors.

It is a plaindrome in base 12 and base 16.

It is a junction number, because it is equal to n+sod(n) for n = 280999 and 281017.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281036.

It is not an unprimeable number, because it can be changed into a prime (281033) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 4991 + ... + 5046.

It is an arithmetic number, because the mean of its divisors is an integer number (46844).

2²⁸¹⁰³⁶ is an apocalyptic number.

It is an amenable number.

281036 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

281036 is a wasteful number, since it uses less digits than its factorization.

281036 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 10048 (or 10046 counting only the distinct ones).

The product of its (nonzero) digits is 288, while the sum is 20.

The square root of 281036 is about 530.1282863610. The cubic root of 281036 is about 65.5019131970.

The spelling of 281036 in words is "two hundred eighty-one thousand, thirty-six".