9797957 has 4 divisors (see below), whose sum is σ = 10551660. Its totient is φ = 9044256.

The previous prime is 9797917. The next prime is 9797959. The reversal of 9797957 is 7597979.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 519841 + 9278116 = 721^2 + 3046^2 .

It is not a de Polignac number, because 9797957 - 2¹⁰ = 9796933 is a prime.

It is a super-2 number, since 2×9797957² = 191999922747698, which contains 22 as substring.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 9797899 and 9797908.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9797959) 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, 376832 + ... + 376857.

It is an arithmetic number, because the mean of its divisors is an integer number (2637915).

Almost surely, 2^9797957 is an apocalyptic number.

It is an amenable number.

9797957 is a deficient number, since it is larger than the sum of its proper divisors (753703).

9797957 is a wasteful number, since it uses less digits than its factorization.

9797957 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 753702.

The product of its digits is 1250235, while the sum is 53.

The square root of 9797957 is about 3130.1688452861. The cubic root of 9797957 is about 213.9826244372.

The spelling of 9797957 in words is "nine million, seven hundred ninety-seven thousand, nine hundred fifty-seven".