9649904 has 20 divisors (see below), whose sum is σ = 20396760. Its totient is φ = 4386240.

The previous prime is 9649901. The next prime is 9649909. The reversal of 9649904 is 4099469.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9649901) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 27239 + ... + 27590.

It is an arithmetic number, because the mean of its divisors is an integer number (1019838).

Almost surely, 2^9649904 is an apocalyptic number.

It is an amenable number.

9649904 is an abundant number, since it is smaller than the sum of its proper divisors (10746856).

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

9649904 is a wasteful number, since it uses less digits than its factorization.

9649904 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 54848 (or 54842 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 9649904 is about 3106.4294616167. The cubic root of 9649904 is about 212.8993477734.

The spelling of 9649904 in words is "nine million, six hundred forty-nine thousand, nine hundred four".