989324388 has 48 divisors (see below), whose sum is σ = 2762220160. Its totient is φ = 304407072.

The previous prime is 989324377. The next prime is 989324407. The reversal of 989324388 is 883423989.

It is a happy number.

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

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 350920 + ... + 353727.

Almost surely, 2^989324388 is an apocalyptic number.

It is an amenable number.

989324388 is an abundant number, since it is smaller than the sum of its proper divisors (1772895772).

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

989324388 is a wasteful number, since it uses less digits than its factorization.

989324388 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 704673 (or 704665 counting only the distinct ones).

The product of its digits is 2985984, while the sum is 54.

The square root of 989324388 is about 31453.5274333420. The cubic root of 989324388 is about 996.4287238359.

The spelling of 989324388 in words is "nine hundred eighty-nine million, three hundred twenty-four thousand, three hundred eighty-eight".