9664238 has 8 divisors (see below), whose sum is σ = 14511000. Its totient is φ = 4827240.

The previous prime is 9664231. The next prime is 9664247. The reversal of 9664238 is 8324669.

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

It is a super-2 number, since 2×9664238² = 186794992241288, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9664231) 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, 1013 + ... + 4511.

It is an arithmetic number, because the mean of its divisors is an integer number (1813875).

Almost surely, 2^9664238 is an apocalyptic number.

9664238 is a deficient number, since it is larger than the sum of its proper divisors (4846762).

9664238 is a wasteful number, since it uses less digits than its factorization.

9664238 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4882.

The product of its digits is 62208, while the sum is 38.

The square root of 9664238 is about 3108.7357558982. The cubic root of 9664238 is about 213.0047094259.

It can be divided in two parts, 9664 and 238, that multiplied together give a palindrome (2300032).

The spelling of 9664238 in words is "nine million, six hundred sixty-four thousand, two hundred thirty-eight".