9640897 has 12 divisors (see below), whose sum is σ = 11297856. Its totient is φ = 8202600.

The previous prime is 9640889. The next prime is 9640913. The reversal of 9640897 is 7980469.

It is not a de Polignac number, because 9640897 - 2³ = 9640889 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9640817) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 6748 + ... + 8050.

It is an arithmetic number, because the mean of its divisors is an integer number (941488).

Almost surely, 2^9640897 is an apocalyptic number.

It is an amenable number.

9640897 is a deficient number, since it is larger than the sum of its proper divisors (1656959).

9640897 is a wasteful number, since it uses less digits than its factorization.

9640897 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1468 (or 1461 counting only the distinct ones).

The product of its (nonzero) digits is 108864, while the sum is 43.

The square root of 9640897 is about 3104.9793880153. The cubic root of 9640897 is about 212.8330886913.

The spelling of 9640897 in words is "nine million, six hundred forty thousand, eight hundred ninety-seven".