9651606 has 16 divisors (see below), whose sum is σ = 19969200. Its totient is φ = 3106208.

The previous prime is 9651599. The next prime is 9651611. The reversal of 9651606 is 6061569.

9651606 = 229² + 230² + ... + 344².

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 27561 + ... + 27908.

It is an arithmetic number, because the mean of its divisors is an integer number (1248075).

Almost surely, 2^9651606 is an apocalyptic number.

9651606 is an abundant number, since it is smaller than the sum of its proper divisors (10317594).

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

9651606 is a wasteful number, since it uses less digits than its factorization.

9651606 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 55503.

The product of its (nonzero) digits is 9720, while the sum is 33.

The square root of 9651606 is about 3106.7033974939. The cubic root of 9651606 is about 212.9118637317.

The spelling of 9651606 in words is "nine million, six hundred fifty-one thousand, six hundred six".