9997104 has 80 divisors (see below), whose sum is σ = 28630112. Its totient is φ = 2985984.

The previous prime is 9997093. The next prime is 9997109. The reversal of 9997104 is 4017999.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9997109) 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, 22872 + ... + 23304.

Almost surely, 2^9997104 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 9997104, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (14315056).

9997104 is an abundant number, since it is smaller than the sum of its proper divisors (18633008).

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

9997104 is a wasteful number, since it uses less digits than its factorization.

9997104 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 494 (or 488 counting only the distinct ones).

The product of its (nonzero) digits is 20412, while the sum is 39.

The square root of 9997104 is about 3161.8197292066. The cubic root of 9997104 is about 215.4226695190.

It can be divided in two parts, 9997 and 104, that added together give a palindrome (10101).

The spelling of 9997104 in words is "nine million, nine hundred ninety-seven thousand, one hundred four".