867287 has 8 divisors (see below), whose sum is σ = 907392. Its totient is φ = 828000.

The previous prime is 867281. The next prime is 867301. The reversal of 867287 is 782768.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 867287 - 2⁴ = 867271 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 867287.

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 867287.

It is not an unprimeable number, because it can be changed into a prime (867281) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2993 + ... + 3269.

It is an arithmetic number, because the mean of its divisors is an integer number (113424).

2⁸⁶⁷²⁸⁷ is an apocalyptic number.

867287 is a deficient number, since it is larger than the sum of its proper divisors (40105).

867287 is a wasteful number, since it uses less digits than its factorization.

867287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 409.

The product of its digits is 37632, while the sum is 38.

The square root of 867287 is about 931.2824490991. The cubic root of 867287 is about 95.3646923857.

The spelling of 867287 in words is "eight hundred sixty-seven thousand, two hundred eighty-seven".