281862 has 24 divisors (see below), whose sum is σ = 698256. Its totient is φ = 80496.

The previous prime is 281857. The next prime is 281867. The reversal of 281862 is 268182.

It is an interprime number because it is at equal distance from previous prime (281857) and next prime (281867).

It is a zygodrome in base 5.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (281867) by changing a digit.

281862 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 11 ways as a sum of consecutive naturals, for example, 993 + ... + 1244.

It is an arithmetic number, because the mean of its divisors is an integer number (29094).

2²⁸¹⁸⁶² is an apocalyptic number.

281862 is an abundant number, since it is smaller than the sum of its proper divisors (416394).

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

281862 is a wasteful number, since it uses less digits than its factorization.

281862 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2252 (or 2249 counting only the distinct ones).

The product of its digits is 1536, while the sum is 27.

The square root of 281862 is about 530.9067714769. The cubic root of 281862 is about 65.5660232043.

The spelling of 281862 in words is "two hundred eighty-one thousand, eight hundred sixty-two".