987896 has 64 divisors (see below), whose sum is σ = 2419200. Its totient is φ = 367488.

The previous prime is 987869. The next prime is 987911. The reversal of 987896 is 698789.

987896 = T₁₃ + T₁₄ + ... + T₁₈₀.

It is an alternating number because its digits alternate between odd and even.

Its product of digits (217728) is a multiple of the sum of its prime factors (108).

It is a self number, because there is not a number n which added to its sum of digits gives 987896.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16715 + ... + 16773.

It is an arithmetic number, because the mean of its divisors is an integer number (37800).

2⁹⁸⁷⁸⁹⁶ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 987896, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1209600).

987896 is an abundant number, since it is smaller than the sum of its proper divisors (1431304).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

987896 is a wasteful number, since it uses less digits than its factorization.

987896 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108 (or 104 counting only the distinct ones).

The product of its digits is 217728, while the sum is 47.

The square root of 987896 is about 993.9295749700. The cubic root of 987896 is about 99.5948944443.

The spelling of 987896 in words is "nine hundred eighty-seven thousand, eight hundred ninety-six".