9640780 has 12 divisors (see below), whose sum is σ = 20245680. Its totient is φ = 3856304.

The previous prime is 9640739. The next prime is 9640811. The reversal of 9640780 is 870469.

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 3 ways as a sum of consecutive naturals, for example, 241000 + ... + 241039.

It is an arithmetic number, because the mean of its divisors is an integer number (1687140).

Almost surely, 2^9640780 is an apocalyptic number.

It is an amenable number.

9640780 is an abundant number, since it is smaller than the sum of its proper divisors (10604900).

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

9640780 is a wasteful number, since it uses less digits than its factorization.

9640780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 482048 (or 482046 counting only the distinct ones).

The product of its (nonzero) digits is 12096, while the sum is 34.

The square root of 9640780 is about 3104.9605472534. The cubic root of 9640780 is about 212.8322277212.

The spelling of 9640780 in words is "nine million, six hundred forty thousand, seven hundred eighty".