9904329 has 32 divisors (see below), whose sum is σ = 15724800. Its totient is φ = 6145920.

The previous prime is 9904313. The next prime is 9904331. The reversal of 9904329 is 9234099.

It is not a de Polignac number, because 9904329 - 2⁴ = 9904313 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 9904293 and 9904302.

It is not an unprimeable number, because it can be changed into a prime (9904729) by changing a digit.

It is a polite number, since it can be written in 31 ways as a sum of consecutive naturals, for example, 25267 + ... + 25655.

It is an arithmetic number, because the mean of its divisors is an integer number (491400).

Almost surely, 2^9904329 is an apocalyptic number.

It is an amenable number.

9904329 is a deficient number, since it is larger than the sum of its proper divisors (5820471).

9904329 is a wasteful number, since it uses less digits than its factorization.

9904329 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 462 (or 456 counting only the distinct ones).

The product of its (nonzero) digits is 17496, while the sum is 36.

The square root of 9904329 is about 3147.1143925825. The cubic root of 9904329 is about 214.7542098330.

The spelling of 9904329 in words is "nine million, nine hundred four thousand, three hundred twenty-nine".