9904997 has 8 divisors (see below), whose sum is σ = 10213632. Its totient is φ = 9601200.

The previous prime is 9904987. The next prime is 9905003. The reversal of 9904997 is 7994099.

9904997 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9904997 - 2¹⁶ = 9839461 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904967) 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, 3188 + ... + 5474.

It is an arithmetic number, because the mean of its divisors is an integer number (1276704).

Almost surely, 2^9904997 is an apocalyptic number.

It is an amenable number.

9904997 is a deficient number, since it is larger than the sum of its proper divisors (308635).

9904997 is a wasteful number, since it uses less digits than its factorization.

9904997 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2419.

The product of its (nonzero) digits is 183708, while the sum is 47.

The square root of 9904997 is about 3147.2205197603. The cubic root of 9904997 is about 214.7590377753.

It can be divided in two parts, 9904 and 997, that added together give a palindrome (10901).

The spelling of 9904997 in words is "nine million, nine hundred four thousand, nine hundred ninety-seven".