9997592 has 32 divisors (see below), whose sum is σ = 20666880. Its totient is φ = 4496160.

The previous prime is 9997583. The next prime is 9997597. The reversal of 9997592 is 2957999.

It is a super-3 number, since 3×9997592³ (a number of 22 digits) contains 333 as substring.

It is a self number, because there is not a number n which added to its sum of digits gives 9997592.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997597) 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, 8513 + ... + 9615.

It is an arithmetic number, because the mean of its divisors is an integer number (645840).

Almost surely, 2^9997592 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 9997592, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10333440).

9997592 is an abundant number, since it is smaller than the sum of its proper divisors (10669288).

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

9997592 is a wasteful number, since it uses less digits than its factorization.

9997592 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1223 (or 1219 counting only the distinct ones).

The product of its digits is 459270, while the sum is 50.

The square root of 9997592 is about 3161.8968990149. The cubic root of 9997592 is about 215.4261746858.

The spelling of 9997592 in words is "nine million, nine hundred ninety-seven thousand, five hundred ninety-two".