9639234 has 48 divisors (see below), whose sum is σ = 23081760. Its totient is φ = 2882880.

The previous prime is 9639229. The next prime is 9639241. The reversal of 9639234 is 4329369.

It is a happy number.

It is an unprimeable number.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 17349 + ... + 17895.

It is an arithmetic number, because the mean of its divisors is an integer number (480870).

Almost surely, 2^9639234 is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 9639234, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (11540880).

9639234 is an abundant number, since it is smaller than the sum of its proper divisors (13442526).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

9639234 is a wasteful number, since it uses less digits than its factorization.

9639234 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 655 (or 652 counting only the distinct ones).

The product of its digits is 34992, while the sum is 36.

The square root of 9639234 is about 3104.7115808075. The cubic root of 9639234 is about 212.8208504877.

The spelling of 9639234 in words is "nine million, six hundred thirty-nine thousand, two hundred thirty-four".