9640947 has 8 divisors (see below), whose sum is σ = 12877056. Its totient is φ = 6416072.

The previous prime is 9640919. The next prime is 9640957. The reversal of 9640947 is 7490469.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 9640947 - 2¹⁰ = 9639923 is a prime.

It is not an unprimeable number, because it can be changed into a prime (9640957) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 543 + ... + 4424.

It is an arithmetic number, because the mean of its divisors is an integer number (1609632).

Almost surely, 2^9640947 is an apocalyptic number.

9640947 is a deficient number, since it is larger than the sum of its proper divisors (3236109).

9640947 is a wasteful number, since it uses less digits than its factorization.

9640947 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5617.

The product of its (nonzero) digits is 54432, while the sum is 39.

The square root of 9640947 is about 3104.9874395881. The cubic root of 9640947 is about 212.8334566251.

The spelling of 9640947 in words is "nine million, six hundred forty thousand, nine hundred forty-seven".