9640117 has 4 divisors (see below), whose sum is σ = 9822060. Its totient is φ = 9458176.

The previous prime is 9640109. The next prime is 9640121. The reversal of 9640117 is 7110469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7110469 = 199 ⋅35731.

It can be written as a sum of positive squares in 2 ways, for example, as 2452356 + 7187761 = 1566^2 + 2681^2 .

It is a cyclic number.

It is not a de Polignac number, because 9640117 - 2³ = 9640109 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640417) 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 3 ways as a sum of consecutive naturals, for example, 90892 + ... + 90997.

It is an arithmetic number, because the mean of its divisors is an integer number (2455515).

Almost surely, 2^9640117 is an apocalyptic number.

It is an amenable number.

9640117 is a deficient number, since it is larger than the sum of its proper divisors (181943).

9640117 is a wasteful number, since it uses less digits than its factorization.

9640117 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 181942.

The product of its (nonzero) digits is 1512, while the sum is 28.

The square root of 9640117 is about 3104.8537807762. The cubic root of 9640117 is about 212.8273487590.

The spelling of 9640117 in words is "nine million, six hundred forty thousand, one hundred seventeen".