989641732 has 12 divisors (see below), whose sum is σ = 1772149456. Its totient is φ = 483313320.

The previous prime is 989641721. The next prime is 989641739. The reversal of 989641732 is 237146989.

It is not an unprimeable number, because it can be changed into a prime (989641739) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 2876694 + ... + 2877037.

Almost surely, 2^989641732 is an apocalyptic number.

It is an amenable number.

989641732 is a deficient number, since it is larger than the sum of its proper divisors (782507724).

989641732 is a wasteful number, since it uses less digits than its factorization.

989641732 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5753778 (or 5753776 counting only the distinct ones).

The product of its digits is 653184, while the sum is 49.

The square root of 989641732 is about 31458.5716776843. The cubic root of 989641732 is about 996.5352533951.

The spelling of 989641732 in words is "nine hundred eighty-nine million, six hundred forty-one thousand, seven hundred thirty-two".