9640471 has 4 divisors (see below), whose sum is σ = 9864712. Its totient is φ = 9416232.

The previous prime is 9640457. The next prime is 9640481. The reversal of 9640471 is 1740469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 1740469 = 149 ⋅11681.

It is a cyclic number.

It is not a de Polignac number, because 9640471 - 2¹¹ = 9638423 is a prime.

It is a super-3 number, since 3×9640471³ (a number of 22 digits) contains 333 as substring. Note that it is a super-d number also for d = 2.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640481) 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, 112056 + ... + 112141.

It is an arithmetic number, because the mean of its divisors is an integer number (2466178).

Almost surely, 2^9640471 is an apocalyptic number.

9640471 is a deficient number, since it is larger than the sum of its proper divisors (224241).

9640471 is a wasteful number, since it uses less digits than its factorization.

9640471 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 224240.

The product of its (nonzero) digits is 6048, while the sum is 31.

The square root of 9640471 is about 3104.9107877683. The cubic root of 9640471 is about 212.8299538436.

The spelling of 9640471 in words is "nine million, six hundred forty thousand, four hundred seventy-one".