987976 has 32 divisors (see below), whose sum is σ = 2059200. Its totient is φ = 440640.

The previous prime is 987971. The next prime is 987979. The reversal of 987976 is 679789.

It is not an unprimeable number, because it can be changed into a prime (987971) by changing a digit.

987976 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 9010 + ... + 9118.

It is an arithmetic number, because the mean of its divisors is an integer number (64350).

2⁹⁸⁷⁹⁷⁶ 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 987976, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1029600).

987976 is an abundant number, since it is smaller than the sum of its proper divisors (1071224).

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

987976 is a wasteful number, since it uses less digits than its factorization.

987976 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 229 (or 225 counting only the distinct ones).

The product of its digits is 190512, while the sum is 46.

The square root of 987976 is about 993.9698184553. The cubic root of 987976 is about 99.5975827760.

The spelling of 987976 in words is "nine hundred eighty-seven thousand, nine hundred seventy-six".