9770556 has 12 divisors (see below), whose sum is σ = 22797992. Its totient is φ = 3256848.

The previous prime is 9770533. The next prime is 9770557. The reversal of 9770556 is 6550779.

It is a tau number, because it is divible by the number of its divisors (12).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9770557) 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, 407095 + ... + 407118.

Almost surely, 2^9770556 is an apocalyptic number.

It is an amenable number.

9770556 is an abundant number, since it is smaller than the sum of its proper divisors (13027436).

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

9770556 is a wasteful number, since it uses less digits than its factorization.

9770556 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 814220 (or 814218 counting only the distinct ones).

The product of its (nonzero) digits is 66150, while the sum is 39.

The square root of 9770556 is about 3125.7888604319. The cubic root of 9770556 is about 213.7829633510.

The spelling of 9770556 in words is "nine million, seven hundred seventy thousand, five hundred fifty-six".