287883 has 12 divisors (see below), whose sum is σ = 430560. Its totient is φ = 185136.

The previous prime is 287873. The next prime is 287887. The reversal of 287883 is 388782.

It is not a de Polignac number, because 287883 - 2⁴ = 287867 is a prime.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (287887) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 291 + ... + 812.

It is an arithmetic number, because the mean of its divisors is an integer number (35880).

2²⁸⁷⁸⁸³ is an apocalyptic number.

287883 is a deficient number, since it is larger than the sum of its proper divisors (142677).

287883 is a wasteful number, since it uses less digits than its factorization.

287883 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1138 (or 1135 counting only the distinct ones).

The product of its digits is 21504, while the sum is 36.

The square root of 287883 is about 536.5472952126. The cubic root of 287883 is about 66.0296010470.

The spelling of 287883 in words is "two hundred eighty-seven thousand, eight hundred eighty-three".