987824 has 20 divisors (see below), whose sum is σ = 1935144. Its totient is φ = 488448.

The previous prime is 987821. The next prime is 987851. The reversal of 987824 is 428789.

It is not an unprimeable number, because it can be changed into a prime (987821) 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, 1424 + ... + 2000.

2⁹⁸⁷⁸²⁴ is an apocalyptic number.

It is an amenable number.

987824 is a deficient number, since it is larger than the sum of its proper divisors (947320).

987824 is a wasteful number, since it uses less digits than its factorization.

987824 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 692 (or 686 counting only the distinct ones).

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

The square root of 987824 is about 993.8933544400. The cubic root of 987824 is about 99.5924748216.

The spelling of 987824 in words is "nine hundred eighty-seven thousand, eight hundred twenty-four".