9638523 has 6 divisors (see below), whose sum is σ = 13922324. Its totient is φ = 6425676.

The previous prime is 9638483. The next prime is 9638557. The reversal of 9638523 is 3258369.

9638523 is digitally balanced in base 2 and base 4, because in such bases it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 9638523 - 2⁶ = 9638459 is a prime.

It is a super-2 number, since 2×9638523² = 185802251243058, which contains 22 as substring.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9638023) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 535465 + ... + 535482.

Almost surely, 2^9638523 is an apocalyptic number.

9638523 is a deficient number, since it is larger than the sum of its proper divisors (4283801).

9638523 is a wasteful number, since it uses less digits than its factorization.

9638523 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1070953 (or 1070950 counting only the distinct ones).

The product of its digits is 38880, while the sum is 36.

The square root of 9638523 is about 3104.5970753062. The cubic root of 9638523 is about 212.8156177294.

The spelling of 9638523 in words is "nine million, six hundred thirty-eight thousand, five hundred twenty-three".