281324 has 12 divisors (see below), whose sum is σ = 501984. Its totient is φ = 137904.

The previous prime is 281321. The next prime is 281327. The reversal of 281324 is 423182.

It is an interprime number because it is at equal distance from previous prime (281321) and next prime (281327).

It is a junction number, because it is equal to n+sod(n) for n = 281296 and 281305.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 281324.

It is not an unprimeable number, because it can be changed into a prime (281321) 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, 452 + ... + 875.

It is an arithmetic number, because the mean of its divisors is an integer number (41832).

2²⁸¹³²⁴ is an apocalyptic number.

It is an amenable number.

281324 is a deficient number, since it is larger than the sum of its proper divisors (220660).

281324 is a wasteful number, since it uses less digits than its factorization.

281324 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1384 (or 1382 counting only the distinct ones).

The product of its digits is 384, while the sum is 20.

The square root of 281324 is about 530.3998491704. The cubic root of 281324 is about 65.5242805695.

The spelling of 281324 in words is "two hundred eighty-one thousand, three hundred twenty-four".