9640338 has 8 divisors (see below), whose sum is σ = 19280688. Its totient is φ = 3213444.

The previous prime is 9640333. The next prime is 9640361. The reversal of 9640338 is 8330469.

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

9640338 is an admirable number.

It is a super-2 number, since 2×9640338² = 185872233508488, which contains 22 as substring.

It is a junction number, because it is equal to n+sod(n) for n = 9640299 and 9640308.

It is not an unprimeable number, because it can be changed into a prime (9640333) 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, 803356 + ... + 803367.

It is an arithmetic number, because the mean of its divisors is an integer number (2410086).

Almost surely, 2^9640338 is an apocalyptic number.

9640338 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

9640338 is a wasteful number, since it uses less digits than its factorization.

9640338 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1606728.

The product of its (nonzero) digits is 15552, while the sum is 33.

The square root of 9640338 is about 3104.8893700098. The cubic root of 9640338 is about 212.8289751046.

The spelling of 9640338 in words is "nine million, six hundred forty thousand, three hundred thirty-eight".