989764960 has 48 divisors (see below), whose sum is σ = 2340603216. Its totient is φ = 395519488.

The previous prime is 989764949. The next prime is 989764981. The reversal of 989764960 is 69467989.

It is a junction number, because it is equal to n+sod(n) for n = 989764895 and 989764904.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 206754 + ... + 211486.

It is an arithmetic number, because the mean of its divisors is an integer number (48762567).

Almost surely, 2^989764960 is an apocalyptic number.

It is an amenable number.

989764960 is an abundant number, since it is smaller than the sum of its proper divisors (1350838256).

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

989764960 is a wasteful number, since it uses less digits than its factorization.

989764960 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6055 (or 6047 counting only the distinct ones).

The product of its (nonzero) digits is 5878656, while the sum is 58.

The square root of 989764960 is about 31460.5301926080. The cubic root of 989764960 is about 996.5766138005.

The spelling of 989764960 in words is "nine hundred eighty-nine million, seven hundred sixty-four thousand, nine hundred sixty".