9628605 has 64 divisors (see below), whose sum is σ = 20459520. Its totient is φ = 4200768.

The previous prime is 9628519. The next prime is 9628607. The reversal of 9628605 is 5068269.

It is not a de Polignac number, because 9628605 - 2⁹ = 9628093 is a prime.

9628605 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 9628605.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9628607) by changing a digit.

It is a polite number, since it can be written in 63 ways as a sum of consecutive naturals, for example, 21514 + ... + 21956.

It is an arithmetic number, because the mean of its divisors is an integer number (319680).

Almost surely, 2^9628605 is an apocalyptic number.

It is an amenable number.

9628605 is an abundant number, since it is smaller than the sum of its proper divisors (10830915).

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

9628605 is a wasteful number, since it uses less digits than its factorization.

9628605 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 487 (or 481 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 9628605 is about 3102.9993554624. Note that the first 3 decimals coincide. The cubic root of 9628605 is about 212.7425972165.

The spelling of 9628605 in words is "nine million, six hundred twenty-eight thousand, six hundred five".