9997504 has 42 divisors (see below), whose sum is σ = 21823172. Its totient is φ = 4540800.

The previous prime is 9997483. The next prime is 9997517. The reversal of 9997504 is 4057999.

It is an unprimeable number.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 7099 + ... + 8389.

Almost surely, 2^9997504 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 9997504, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (10911586).

9997504 is an abundant number, since it is smaller than the sum of its proper divisors (11825668).

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

9997504 is a wasteful number, since it uses less digits than its factorization.

9997504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1325 (or 1304 counting only the distinct ones).

The product of its (nonzero) digits is 102060, while the sum is 43.

The square root of 9997504 is about 3161.8829832870. The cubic root of 9997504 is about 215.4255426150.

It can be divided in two parts, 9997 and 504, that added together give a palindrome (10501).

The spelling of 9997504 in words is "nine million, nine hundred ninety-seven thousand, five hundred four".