9989232 has 40 divisors (see below), whose sum is σ = 28152960. Its totient is φ = 3026880.

The previous prime is 9989227. The next prime is 9989233. The reversal of 9989232 is 2329899.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9989233) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8932 + ... + 9987.

It is an arithmetic number, because the mean of its divisors is an integer number (703824).

Almost surely, 2^9989232 is an apocalyptic number.

It is an amenable number.

9989232 is an abundant number, since it is smaller than the sum of its proper divisors (18163728).

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

9989232 is a wasteful number, since it uses less digits than its factorization.

9989232 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 18941 (or 18935 counting only the distinct ones).

The product of its digits is 69984, while the sum is 42.

The square root of 9989232 is about 3160.5746312973. The cubic root of 9989232 is about 215.3661113878.

The spelling of 9989232 in words is "nine million, nine hundred eighty-nine thousand, two hundred thirty-two".