9664554 has 32 divisors (see below), whose sum is σ = 20528640. Its totient is φ = 3026672.

The previous prime is 9664553. The next prime is 9664579. The reversal of 9664554 is 4554669.

It is an Ulam number.

9664554 is a modest number, since divided by 4554 gives 966 as remainder.

It is not an unprimeable number, because it can be changed into a prime (9664553) by changing a digit.

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 15 ways as a sum of consecutive naturals, for example, 7549 + ... + 8735.

It is an arithmetic number, because the mean of its divisors is an integer number (641520).

Almost surely, 2^9664554 is an apocalyptic number.

9664554 is an abundant number, since it is smaller than the sum of its proper divisors (10864086).

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

9664554 is a wasteful number, since it uses less digits than its factorization.

9664554 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1274.

The product of its digits is 129600, while the sum is 39.

The square root of 9664554 is about 3108.7865800019. The cubic root of 9664554 is about 213.0070310007.

The spelling of 9664554 in words is "nine million, six hundred sixty-four thousand, five hundred fifty-four".