9994247 has 8 divisors (see below), whose sum is σ = 10570800. Its totient is φ = 9422784.

The previous prime is 9994223. The next prime is 9994261. The reversal of 9994247 is 7424999.

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

It is not a de Polignac number, because 9994247 - 2¹⁰ = 9993223 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9994198 and 9994207.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994207) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 3203 + ... + 5499.

It is an arithmetic number, because the mean of its divisors is an integer number (1321350).

Almost surely, 2^9994247 is an apocalyptic number.

9994247 is a deficient number, since it is larger than the sum of its proper divisors (576553).

9994247 is a wasteful number, since it uses less digits than its factorization.

9994247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2545.

The product of its digits is 163296, while the sum is 44.

The square root of 9994247 is about 3161.3679001344. The cubic root of 9994247 is about 215.4021462019.

The spelling of 9994247 in words is "nine million, nine hundred ninety-four thousand, two hundred forty-seven".