989916336 has 80 divisors (see below), whose sum is σ = 2850893920. Its totient is φ = 328872960.

The previous prime is 989916329. The next prime is 989916371. The reversal of 989916336 is 633619989.

It is a Harshad number since it is a multiple of its sum of digits (54).

It is a nude number because it is divisible by every one of its digits.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 131556 + ... + 138876.

It is an arithmetic number, because the mean of its divisors is an integer number (35636174).

Almost surely, 2^989916336 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 989916336, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (1425446960).

989916336 is an abundant number, since it is smaller than the sum of its proper divisors (1860977584).

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

989916336 is a wasteful number, since it uses less digits than its factorization.

989916336 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7651 (or 7639 counting only the distinct ones).

The product of its digits is 1889568, while the sum is 54.

The square root of 989916336 is about 31462.9359087800. The cubic root of 989916336 is about 996.6274171384.

The spelling of 989916336 in words is "nine hundred eighty-nine million, nine hundred sixteen thousand, three hundred thirty-six".