9664023 has 16 divisors (see below), whose sum is σ = 13305600. Its totient is φ = 6236160.

The previous prime is 9664009. The next prime is 9664043. The reversal of 9664023 is 3204669.

It is not a de Polignac number, because 9664023 - 2¹⁸ = 9401879 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664003) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 12183 + ... + 12951.

It is an arithmetic number, because the mean of its divisors is an integer number (831600).

Almost surely, 2^9664023 is an apocalyptic number.

9664023 is a deficient number, since it is larger than the sum of its proper divisors (3641577).

9664023 is a wasteful number, since it uses less digits than its factorization.

9664023 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 902.

The product of its (nonzero) digits is 7776, while the sum is 30.

The square root of 9664023 is about 3108.7011757324. The cubic root of 9664023 is about 213.0031298445.

The spelling of 9664023 in words is "nine million, six hundred sixty-four thousand, twenty-three".