988984 has 16 divisors (see below), whose sum is σ = 1867320. Its totient is φ = 491040.

The previous prime is 988979. The next prime is 989011. The reversal of 988984 is 489889.

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 3 ways as a sum of consecutive naturals, for example, 1107 + ... + 1789.

2⁹⁸⁸⁹⁸⁴ is an apocalyptic number.

It is an amenable number.

988984 is a deficient number, since it is larger than the sum of its proper divisors (878336).

988984 is a wasteful number, since it uses less digits than its factorization.

988984 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 870 (or 866 counting only the distinct ones).

The product of its digits is 165888, while the sum is 46.

The square root of 988984 is about 994.4767468373. The cubic root of 988984 is about 99.6314433286.

The spelling of 988984 in words is "nine hundred eighty-eight thousand, nine hundred eighty-four".