989813528 has 16 divisors (see below), whose sum is σ = 2024618760. Its totient is φ = 449915200.

The previous prime is 989813483. The next prime is 989813537. The reversal of 989813528 is 825318989.

It is a self number, because there is not a number n which added to its sum of digits gives 989813528.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (19) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5623853 + ... + 5624028.

Almost surely, 2^989813528 is an apocalyptic number.

It is an amenable number.

989813528 is an abundant number, since it is smaller than the sum of its proper divisors (1034805232).

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

989813528 is a wasteful number, since it uses less digits than its factorization.

989813528 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 11247898 (or 11247894 counting only the distinct ones).

The product of its digits is 1244160, while the sum is 53.

The square root of 989813528 is about 31461.3020709569. The cubic root of 989813528 is about 996.5929142837.

The spelling of 989813528 in words is "nine hundred eighty-nine million, eight hundred thirteen thousand, five hundred twenty-eight".