10009287 has 6 divisors (see below), whose sum is σ = 14457872. Its totient is φ = 6672852.

The previous prime is 10009283. The next prime is 10009313. The reversal of 10009287 is 78290001.

It is not a de Polignac number, because 10009287 - 2² = 10009283 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 10009287.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (10009283) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 556063 + ... + 556080.

Almost surely, 2^10009287 is an apocalyptic number.

10009287 is a deficient number, since it is larger than the sum of its proper divisors (4448585).

10009287 is a wasteful number, since it uses less digits than its factorization.

10009287 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1112149 (or 1112146 counting only the distinct ones).

The product of its (nonzero) digits is 1008, while the sum is 27.

The square root of 10009287 is about 3163.7457230315. The cubic root of 10009287 is about 215.5101424841.

Adding to 10009287 its reverse (78290001), we get a palindrome (88299288).

It can be divided in two parts, 10009 and 287, that added together give a triangular number (10296 = T₁₄₃).

The spelling of 10009287 in words is "ten million, nine thousand, two hundred eighty-seven".