9649520 has 20 divisors (see below), whose sum is σ = 22435320. Its totient is φ = 3859776.

The previous prime is 9649513. The next prime is 9649553. The reversal of 9649520 is 259469.

9649520 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (20).

It is a super-2 number, since 2×9649520² = 186226472460800, which contains 22 as substring.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 60230 + ... + 60389.

It is an arithmetic number, because the mean of its divisors is an integer number (1121766).

Almost surely, 2^9649520 is an apocalyptic number.

It is an amenable number.

9649520 is an abundant number, since it is smaller than the sum of its proper divisors (12785800).

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

9649520 is a wasteful number, since it uses less digits than its factorization.

9649520 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 120632 (or 120626 counting only the distinct ones).

The product of its (nonzero) digits is 19440, while the sum is 35.

The square root of 9649520 is about 3106.3676537075. The cubic root of 9649520 is about 212.8965237579.

The spelling of 9649520 in words is "nine million, six hundred forty-nine thousand, five hundred twenty".