9717957 has 12 divisors (see below), whose sum is σ = 14364064. Its totient is φ = 6327720.

The previous prime is 9717923. The next prime is 9717959. The reversal of 9717957 is 7597179.

It is not a de Polignac number, because 9717957 - 2¹⁶ = 9652421 is a prime.

It is a super-3 number, since 3×9717957³ (a number of 22 digits) contains 333 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9717959) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 12169 + ... + 12942.

Almost surely, 2^9717957 is an apocalyptic number.

It is an amenable number.

9717957 is a deficient number, since it is larger than the sum of its proper divisors (4646107).

9717957 is a wasteful number, since it uses less digits than its factorization.

9717957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 25160 (or 25157 counting only the distinct ones).

The product of its digits is 138915, while the sum is 45.

The square root of 9717957 is about 3117.3637901278. The cubic root of 9717957 is about 213.3986450962.

The spelling of 9717957 in words is "nine million, seven hundred seventeen thousand, nine hundred fifty-seven".