9904379 has 4 divisors (see below), whose sum is σ = 10006584. Its totient is φ = 9802176.

The previous prime is 9904373. The next prime is 9904381. The reversal of 9904379 is 9734099.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9734099 = 19 ⋅512321.

It is a cyclic number.

It is not a de Polignac number, because 9904379 - 2¹² = 9900283 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9904373) 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, 50957 + ... + 51150.

It is an arithmetic number, because the mean of its divisors is an integer number (2501646).

Almost surely, 2^9904379 is an apocalyptic number.

9904379 is a deficient number, since it is larger than the sum of its proper divisors (102205).

9904379 is a wasteful number, since it uses less digits than its factorization.

9904379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 102204.

The product of its (nonzero) digits is 61236, while the sum is 41.

The square root of 9904379 is about 3147.1223363575. The cubic root of 9904379 is about 214.7545712134.

The spelling of 9904379 in words is "nine million, nine hundred four thousand, three hundred seventy-nine".