9664955 has 16 divisors (see below), whose sum is σ = 12065760. Its totient is φ = 7425792.

The previous prime is 9664937. The next prime is 9664957. The reversal of 9664955 is 5594669.

It is a cyclic number.

It is not a de Polignac number, because 9664955 - 2¹⁶ = 9599419 is a prime.

It is a super-2 number, since 2×9664955² = 186822710304050, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (9664957) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 16172 + ... + 16758.

It is an arithmetic number, because the mean of its divisors is an integer number (754110).

Almost surely, 2^9664955 is an apocalyptic number.

9664955 is a deficient number, since it is larger than the sum of its proper divisors (2400805).

9664955 is a wasteful number, since it uses less digits than its factorization.

9664955 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 718.

The product of its digits is 291600, while the sum is 44.

The square root of 9664955 is about 3108.8510739500. The cubic root of 9664955 is about 213.0099769769.

The spelling of 9664955 in words is "nine million, six hundred sixty-four thousand, nine hundred fifty-five".