9640626 has 8 divisors (see below), whose sum is σ = 19281264. Its totient is φ = 3213540.

The previous prime is 9640621. The next prime is 9640627. The reversal of 9640626 is 6260469.

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

9640626 is an admirable number.

It is a Smith number, since the sum of its digits (33) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (9640621) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 803380 + ... + 803391.

It is an arithmetic number, because the mean of its divisors is an integer number (2410158).

Almost surely, 2^9640626 is an apocalyptic number.

9640626 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.

9640626 is a wasteful number, since it uses less digits than its factorization.

9640626 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1606776.

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

The square root of 9640626 is about 3104.9357481275. The cubic root of 9640626 is about 212.8310944679.

The spelling of 9640626 in words is "nine million, six hundred forty thousand, six hundred twenty-six".