9640916 has 12 divisors (see below), whose sum is σ = 16961280. Its totient is φ = 4794840.

The previous prime is 9640913. The next prime is 9640919. The reversal of 9640916 is 6190469.

9640916 is digitally balanced in base 2 and base 5, because in such bases it contains all the possibile digits an equal number of times.

It is an interprime number because it is at equal distance from previous prime (9640913) and next prime (9640919).

It is a super-2 number, since 2×9640916² = 185894522638112, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9640913) 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, 5546 + ... + 7073.

It is an arithmetic number, because the mean of its divisors is an integer number (1413440).

Almost surely, 2^9640916 is an apocalyptic number.

It is an amenable number.

9640916 is a deficient number, since it is larger than the sum of its proper divisors (7320364).

9640916 is a wasteful number, since it uses less digits than its factorization.

9640916 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 12814 (or 12812 counting only the distinct ones).

The product of its (nonzero) digits is 11664, while the sum is 35.

The square root of 9640916 is about 3104.9824476154. The cubic root of 9640916 is about 212.8332285063.

The spelling of 9640916 in words is "nine million, six hundred forty thousand, nine hundred sixteen".