9647983 has 4 divisors (see below), whose sum is σ = 9698688. Its totient is φ = 9597280.

The previous prime is 9647929. The next prime is 9647987. The reversal of 9647983 is 3897469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3897469 = 37 ⋅105337.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-9647983 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9647987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 25066 + ... + 25447.

It is an arithmetic number, because the mean of its divisors is an integer number (2424672).

Almost surely, 2^9647983 is an apocalyptic number.

9647983 is a deficient number, since it is larger than the sum of its proper divisors (50705).

9647983 is a wasteful number, since it uses less digits than its factorization.

9647983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 50704.

The product of its digits is 326592, while the sum is 46.

The square root of 9647983 is about 3106.1202487991. The cubic root of 9647983 is about 212.8852195918.

The spelling of 9647983 in words is "nine million, six hundred forty-seven thousand, nine hundred eighty-three".