287116 has 12 divisors (see below), whose sum is σ = 506520. Its totient is φ = 142400.

The previous prime is 287107. The next prime is 287117. The reversal of 287116 is 611782.

It is not an unprimeable number, because it can be changed into a prime (287117) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 516 + ... + 916.

It is an arithmetic number, because the mean of its divisors is an integer number (42210).

2²⁸⁷¹¹⁶ is an apocalyptic number.

It is an amenable number.

287116 is a deficient number, since it is larger than the sum of its proper divisors (219404).

287116 is a wasteful number, since it uses less digits than its factorization.

287116 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 584 (or 582 counting only the distinct ones).

The product of its digits is 672, while the sum is 25.

The square root of 287116 is about 535.8320632437. The cubic root of 287116 is about 65.9709085135.

Adding to 287116 its reverse (611782), we get a palindrome (898898).

The spelling of 287116 in words is "two hundred eighty-seven thousand, one hundred sixteen".