9904877 has 4 divisors (see below), whose sum is σ = 9946560. Its totient is φ = 9863196.

The previous prime is 9904847. The next prime is 9904889. The reversal of 9904877 is 7784099.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 7784099 = 2789 ⋅2791.

It is a cyclic number.

It is not a de Polignac number, because 9904877 - 2⁸ = 9904621 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 (9904837) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 20483 + ... + 20960.

It is an arithmetic number, because the mean of its divisors is an integer number (2486640).

Almost surely, 2^9904877 is an apocalyptic number.

It is an amenable number.

9904877 is a deficient number, since it is larger than the sum of its proper divisors (41683).

9904877 is a wasteful number, since it uses less digits than its factorization.

9904877 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41682.

The product of its (nonzero) digits is 127008, while the sum is 44.

The square root of 9904877 is about 3147.2014552615. The cubic root of 9904877 is about 214.7581704963.

The spelling of 9904877 in words is "nine million, nine hundred four thousand, eight hundred seventy-seven".