9998532 has 48 divisors (see below), whose sum is σ = 26537280. Its totient is φ = 3253824.

The previous prime is 9998479. The next prime is 9998539. The reversal of 9998532 is 2358999.

It is a nialpdrome in base 10.

It is not an unprimeable number, because it can be changed into a prime (9998539) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3568 + ... + 5720.

It is an arithmetic number, because the mean of its divisors is an integer number (552860).

Almost surely, 2^9998532 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9998532, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (13268640).

9998532 is an abundant number, since it is smaller than the sum of its proper divisors (16538748).

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

9998532 is a wasteful number, since it uses less digits than its factorization.

9998532 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2209 (or 2201 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 9998532 is about 3162.0455404690. The cubic root of 9998532 is about 215.4329261202.

The spelling of 9998532 in words is "nine million, nine hundred ninety-eight thousand, five hundred thirty-two".