9438664 has 32 divisors (see below), whose sum is σ = 18283320. Its totient is φ = 4566016.

The previous prime is 9438661. The next prime is 9438679. The reversal of 9438664 is 4668349.

It can be written as a sum of positive squares in 4 ways, for example, as 8702500 + 736164 = 2950^2 + 858^2 .

It is not an unprimeable number, because it can be changed into a prime (9438661) by changing a digit.

It is a nontrivial repunit in base 211.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 47814 + ... + 48010.

Almost surely, 2^9438664 is an apocalyptic number.

It is an amenable number.

9438664 is a deficient number, since it is larger than the sum of its proper divisors (8844656).

9438664 is a wasteful number, since it uses less digits than its factorization.

9438664 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 369 (or 365 counting only the distinct ones).

The product of its digits is 124416, while the sum is 40.

The square root of 9438664 is about 3072.2408759731. The cubic root of 9438664 is about 211.3343903813.

The spelling of 9438664 in words is "nine million, four hundred thirty-eight thousand, six hundred sixty-four".