287007 has 16 divisors (see below), whose sum is σ = 445440. Its totient is φ = 160992.

The previous prime is 287003. The next prime is 287047. The reversal of 287007 is 700782.

287007 = 34² + 35² + ... + 96².

It is not a de Polignac number, because 287007 - 2² = 287003 is a prime.

287007 is a lucky number.

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 287007.

It is not an unprimeable number, because it can be changed into a prime (287003) 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, 1573 + ... + 1745.

It is an arithmetic number, because the mean of its divisors is an integer number (27840).

2²⁸⁷⁰⁰⁷ is an apocalyptic number.

287007 is a deficient number, since it is larger than the sum of its proper divisors (158433).

287007 is a wasteful number, since it uses less digits than its factorization.

287007 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 262.

The product of its (nonzero) digits is 784, while the sum is 24.

The square root of 287007 is about 535.7303426165. The cubic root of 287007 is about 65.9625591133.

Adding to 287007 its reverse (700782), we get a palindrome (987789).

The spelling of 287007 in words is "two hundred eighty-seven thousand, seven".