984887 has 4 divisors (see below), whose sum is σ = 1001640. Its totient is φ = 968136.

The previous prime is 984881. The next prime is 984911. The reversal of 984887 is 788489.

It is a happy number.

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 984887 - 2¹⁰ = 983863 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (984881) 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, 8288 + ... + 8405.

It is an arithmetic number, because the mean of its divisors is an integer number (250410).

2⁹⁸⁴⁸⁸⁷ is an apocalyptic number.

984887 is a deficient number, since it is larger than the sum of its proper divisors (16753).

984887 is a wasteful number, since it uses less digits than its factorization.

984887 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 16752.

The product of its digits is 129024, while the sum is 44.

The square root of 984887 is about 992.4147318536. The cubic root of 984887 is about 99.4936740000.

The spelling of 984887 in words is "nine hundred eighty-four thousand, eight hundred eighty-seven".