9988452 has 72 divisors (see below), whose sum is σ = 28173600. Its totient is φ = 2965248.

The previous prime is 9988411. The next prime is 9988453. The reversal of 9988452 is 2548899.

It is a hoax number, since the sum of its digits (45) coincides with the sum of the digits of its distinct prime factors.

It is a junction number, because it is equal to n+sod(n) for n = 9988398 and 9988407.

It is not an unprimeable number, because it can be changed into a prime (9988453) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 11199 + ... + 12057.

It is an arithmetic number, because the mean of its divisors is an integer number (391300).

Almost surely, 2^9988452 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 9988452, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14086800).

9988452 is an abundant number, since it is smaller than the sum of its proper divisors (18185148).

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

9988452 is a wasteful number, since it uses less digits than its factorization.

9988452 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 905 (or 900 counting only the distinct ones).

The product of its digits is 207360, while the sum is 45.

The square root of 9988452 is about 3160.4512336057. The cubic root of 9988452 is about 215.3605056870.

It can be divided in two parts, 9988 and 452, that added together give a triangular number (10440 = T₁₄₄).

The spelling of 9988452 in words is "nine million, nine hundred eighty-eight thousand, four hundred fifty-two".