9984379 has 4 divisors (see below), whose sum is σ = 10029376. Its totient is φ = 9939384.

The previous prime is 9984353. The next prime is 9984383. The reversal of 9984379 is 9734899.

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 9984379 - 2⁵ = 9984347 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984179) 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, 22164 + ... + 22609.

It is an arithmetic number, because the mean of its divisors is an integer number (2507344).

Almost surely, 2^9984379 is an apocalyptic number.

9984379 is a deficient number, since it is larger than the sum of its proper divisors (44997).

9984379 is a wasteful number, since it uses less digits than its factorization.

9984379 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44996.

The product of its digits is 489888, while the sum is 49.

The square root of 9984379 is about 3159.8067978913. The cubic root of 9984379 is about 215.3312291253.

The spelling of 9984379 in words is "nine million, nine hundred eighty-four thousand, three hundred seventy-nine".