9957752 has 32 divisors (see below), whose sum is σ = 21863520. Its totient is φ = 4162560.

The previous prime is 9957751. The next prime is 9957757. The reversal of 9957752 is 2577599.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9957751) 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, 128 + ... + 4464.

It is an arithmetic number, because the mean of its divisors is an integer number (683235).

Almost surely, 2^9957752 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 9957752, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10931760).

9957752 is an abundant number, since it is smaller than the sum of its proper divisors (11905768).

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

9957752 is a wasteful number, since it uses less digits than its factorization.

9957752 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 4391 (or 4387 counting only the distinct ones).

The product of its digits is 198450, while the sum is 44.

The square root of 9957752 is about 3155.5905944847. The cubic root of 9957752 is about 215.1396388708.

The spelling of 9957752 in words is "nine million, nine hundred fifty-seven thousand, seven hundred fifty-two".