9994647 has 16 divisors (see below), whose sum is σ = 14847840. Its totient is φ = 5937792.

The previous prime is 9994631. The next prime is 9994669. The reversal of 9994647 is 7464999.

It is not a de Polignac number, because 9994647 - 2⁴ = 9994631 is a prime.

9994647 is a lucky number.

It is a junction number, because it is equal to n+sod(n) for n = 9994596 and 9994605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9994697) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3288 + ... + 5549.

It is an arithmetic number, because the mean of its divisors is an integer number (927990).

Almost surely, 2^9994647 is an apocalyptic number.

9994647 is a deficient number, since it is larger than the sum of its proper divisors (4853193).

9994647 is a wasteful number, since it uses less digits than its factorization.

9994647 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8882.

The product of its digits is 489888, while the sum is 48.

The square root of 9994647 is about 3161.4311632550. The cubic root of 9994647 is about 215.4050198454.

The spelling of 9994647 in words is "nine million, nine hundred ninety-four thousand, six hundred forty-seven".