9984427 has 8 divisors (see below), whose sum is σ = 10137600. Its totient is φ = 9832680.

The previous prime is 9984421. The next prime is 9984431. The reversal of 9984427 is 7244899.

9984427 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9984427 - 2²³ = 1595819 is a prime.

It is a d-powerful number, because it can be written as 9 + 9³ + 8 + 4⁷ + 4¹¹ + 2¹³ + 7⁸ .

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9984421) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 25878 + ... + 26260.

It is an arithmetic number, because the mean of its divisors is an integer number (1267200).

Almost surely, 2^9984427 is an apocalyptic number.

9984427 is a deficient number, since it is larger than the sum of its proper divisors (153173).

9984427 is a wasteful number, since it uses less digits than its factorization.

9984427 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 713.

The product of its digits is 145152, while the sum is 43.

The square root of 9984427 is about 3159.8143932833. The cubic root of 9984427 is about 215.3315741937.

The spelling of 9984427 in words is "nine million, nine hundred eighty-four thousand, four hundred twenty-seven".