9717983 has 16 divisors (see below), whose sum is σ = 11238912. Its totient is φ = 8316000.

The previous prime is 9717977. The next prime is 9717989. The reversal of 9717983 is 3897179.

9717983 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9717977) and next prime (9717989).

It is not a de Polignac number, because 9717983 - 2⁶ = 9717919 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 (9717989) 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, 17693 + ... + 18233.

It is an arithmetic number, because the mean of its divisors is an integer number (702432).

Almost surely, 2^9717983 is an apocalyptic number.

9717983 is a deficient number, since it is larger than the sum of its proper divisors (1520929).

9717983 is a wasteful number, since it uses less digits than its factorization.

9717983 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 646.

The product of its digits is 95256, while the sum is 44.

The square root of 9717983 is about 3117.3679603152. The cubic root of 9717983 is about 213.3988354091.

The spelling of 9717983 in words is "nine million, seven hundred seventeen thousand, nine hundred eighty-three".