281468 has 12 divisors (see below), whose sum is σ = 537432. Its totient is φ = 127920.

The previous prime is 281431. The next prime is 281509. The reversal of 281468 is 864182.

It is a hoax number, since the sum of its digits (29) coincides with the sum of the digits of its distinct prime factors.

It is a self number, because there is not a number n which added to its sum of digits gives 281468.

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 281468.

It is an unprimeable number.

281468 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 3 ways as a sum of consecutive naturals, for example, 3155 + ... + 3242.

It is an arithmetic number, because the mean of its divisors is an integer number (44786).

2²⁸¹⁴⁶⁸ is an apocalyptic number.

It is an amenable number.

281468 is a deficient number, since it is larger than the sum of its proper divisors (255964).

281468 is a wasteful number, since it uses less digits than its factorization.

281468 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6412 (or 6410 counting only the distinct ones).

The product of its digits is 3072, while the sum is 29.

The square root of 281468 is about 530.5355784488. The cubic root of 281468 is about 65.5354585315.

It can be divided in two parts, 2814 and 68, that added together give a palindrome (2882).

The spelling of 281468 in words is "two hundred eighty-one thousand, four hundred sixty-eight".