9707897 has 4 divisors (see below), whose sum is σ = 9914496. Its totient is φ = 9501300.

The previous prime is 9707891. The next prime is 9707911. The reversal of 9707897 is 7987079.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 9707897 - 2⁸ = 9707641 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (47), and also a Moran number because the ratio is a prime number: 206551 = 9707897 / (9 + 7 + 0 + 7 + 8 + 9 + 7).

It is a Duffinian number.

It is a nialpdrome in base 15.

It is not an unprimeable number, because it can be changed into a prime (9707891) 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, 103229 + ... + 103322.

It is an arithmetic number, because the mean of its divisors is an integer number (2478624).

Almost surely, 2^9707897 is an apocalyptic number.

It is an amenable number.

9707897 is a deficient number, since it is larger than the sum of its proper divisors (206599).

9707897 is a wasteful number, since it uses less digits than its factorization.

9707897 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 206598.

The product of its (nonzero) digits is 222264, while the sum is 47.

The square root of 9707897 is about 3115.7498294953. The cubic root of 9707897 is about 213.3249831259.

The spelling of 9707897 in words is "nine million, seven hundred seven thousand, eight hundred ninety-seven".