9770660 has 24 divisors (see below), whose sum is σ = 20582520. Its totient is φ = 3896064.

The previous prime is 9770659. The next prime is 9770707. The reversal of 9770660 is 660779.

It can be written as a sum of positive squares in 4 ways, for example, as 2328676 + 7441984 = 1526^2 + 2728^2 .

It is an Ulam number.

It is a self number, because there is not a number n which added to its sum of digits gives 9770660.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 8606 + ... + 9674.

It is an arithmetic number, because the mean of its divisors is an integer number (857605).

Almost surely, 2^9770660 is an apocalyptic number.

It is an amenable number.

9770660 is an abundant number, since it is smaller than the sum of its proper divisors (10811860).

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

9770660 is a wasteful number, since it uses less digits than its factorization.

9770660 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1535 (or 1533 counting only the distinct ones).

The product of its (nonzero) digits is 15876, while the sum is 35.

The square root of 9770660 is about 3125.8054961881. The cubic root of 9770660 is about 213.7837218664.

The spelling of 9770660 in words is "nine million, seven hundred seventy thousand, six hundred sixty".