9664780 has 12 divisors (see below), whose sum is σ = 20296080. Its totient is φ = 3865904.

The previous prime is 9664771. The next prime is 9664793. The reversal of 9664780 is 874669.

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 3 ways as a sum of consecutive naturals, for example, 241600 + ... + 241639.

It is an arithmetic number, because the mean of its divisors is an integer number (1691340).

Almost surely, 2^9664780 is an apocalyptic number.

It is an amenable number.

9664780 is an abundant number, since it is smaller than the sum of its proper divisors (10631300).

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

9664780 is a wasteful number, since it uses less digits than its factorization.

9664780 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 483248 (or 483246 counting only the distinct ones).

The product of its (nonzero) digits is 72576, while the sum is 40.

The square root of 9664780 is about 3108.8229283766. The cubic root of 9664780 is about 213.0086913364.

The spelling of 9664780 in words is "nine million, six hundred sixty-four thousand, seven hundred eighty".