9904171 has 4 divisors (see below), whose sum is σ = 10000432. Its totient is φ = 9807912.

The previous prime is 9904157. The next prime is 9904189. The reversal of 9904171 is 1714099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1714099 = 37 ⋅46327.

It is a cyclic number.

It is not a de Polignac number, because 9904171 - 2¹⁵ = 9871403 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9904471) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 47976 + ... + 48181.

It is an arithmetic number, because the mean of its divisors is an integer number (2500108).

Almost surely, 2^9904171 is an apocalyptic number.

9904171 is a deficient number, since it is larger than the sum of its proper divisors (96261).

9904171 is a wasteful number, since it uses less digits than its factorization.

9904171 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 96260.

The product of its (nonzero) digits is 2268, while the sum is 31.

The square root of 9904171 is about 3147.0892901219. The cubic root of 9904171 is about 214.7530678628.

The spelling of 9904171 in words is "nine million, nine hundred four thousand, one hundred seventy-one".