9904127 has 4 divisors (see below), whose sum is σ = 9936696. Its totient is φ = 9871560.

The previous prime is 9904117. The next prime is 9904133. The reversal of 9904127 is 7214099.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 9904127 - 2⁸ = 9903871 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9904093 and 9904102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9904117) 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, 15824 + ... + 16437.

It is an arithmetic number, because the mean of its divisors is an integer number (2484174).

Almost surely, 2^9904127 is an apocalyptic number.

9904127 is a deficient number, since it is larger than the sum of its proper divisors (32569).

9904127 is a wasteful number, since it uses less digits than its factorization.

9904127 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 32568.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 9904127 is about 3147.0822995276. The cubic root of 9904127 is about 214.7527498436.

The spelling of 9904127 in words is "nine million, nine hundred four thousand, one hundred twenty-seven".