989678124 has 36 divisors (see below), whose sum is σ = 2508024064. Its totient is φ = 329056992.

The previous prime is 989678101. The next prime is 989678149. The reversal of 989678124 is 421876989.

It is a tau number, because it is divible by the number of its divisors (36).

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 20332 + ... + 48915.

Almost surely, 2^989678124 is an apocalyptic number.

It is an amenable number.

989678124 is an abundant number, since it is smaller than the sum of its proper divisors (1518345940).

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

989678124 is a wasteful number, since it uses less digits than its factorization.

989678124 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 69654 (or 69649 counting only the distinct ones).

The product of its digits is 1741824, while the sum is 54.

The square root of 989678124 is about 31459.1500838786. The cubic root of 989678124 is about 996.5474684103.

The spelling of 989678124 in words is "nine hundred eighty-nine million, six hundred seventy-eight thousand, one hundred twenty-four".