282987 has 16 divisors (see below), whose sum is σ = 430080. Its totient is φ = 183816.

The previous prime is 282977. The next prime is 282991. The reversal of 282987 is 789282.

It is not a de Polignac number, because 282987 - 2¹¹ = 280939 is a prime.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 282987.

It is not an unprimeable number, because it can be changed into a prime (282907) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1158 + ... + 1380.

It is an arithmetic number, because the mean of its divisors is an integer number (26880).

2²⁸²⁹⁸⁷ is an apocalyptic number.

282987 is a gapful number since it is divisible by the number (27) formed by its first and last digit.

282987 is a deficient number, since it is larger than the sum of its proper divisors (147093).

282987 is a wasteful number, since it uses less digits than its factorization.

282987 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 279 (or 273 counting only the distinct ones).

The product of its digits is 16128, while the sum is 36.

The square root of 282987 is about 531.9652244273. The cubic root of 282987 is about 65.6531389531.

It can be divided in two parts, 2829 and 87, that added together give a square (2916 = 54²).

The spelling of 282987 in words is "two hundred eighty-two thousand, nine hundred eighty-seven".