984287 has 4 divisors (see below), whose sum is σ = 1008336. Its totient is φ = 960240.

The previous prime is 984253. The next prime is 984299. The reversal of 984287 is 782489.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 984287 - 2¹⁴ = 967903 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 984287.

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 984287.

It is not an unprimeable number, because it can be changed into a prime (984587) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 11963 + ... + 12044.

It is an arithmetic number, because the mean of its divisors is an integer number (252084).

2⁹⁸⁴²⁸⁷ is an apocalyptic number.

984287 is a deficient number, since it is larger than the sum of its proper divisors (24049).

984287 is a wasteful number, since it uses less digits than its factorization.

984287 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 24048.

The product of its digits is 32256, while the sum is 38.

The square root of 984287 is about 992.1123928265. The cubic root of 984287 is about 99.4734658167.

The spelling of 984287 in words is "nine hundred eighty-four thousand, two hundred eighty-seven".