9664562 has 4 divisors (see below), whose sum is σ = 14496846. Its totient is φ = 4832280.

The previous prime is 9664553. The next prime is 9664579. The reversal of 9664562 is 2654669.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2654669 = 17 ⋅156157.

It can be written as a sum of positive squares in only one way, i.e., 7447441 + 2217121 = 2729^2 + 1489^2 .

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 as a sum of consecutive naturals, namely, 2416139 + ... + 2416142.

Almost surely, 2^9664562 is an apocalyptic number.

9664562 is a deficient number, since it is larger than the sum of its proper divisors (4832284).

9664562 is a wasteful number, since it uses less digits than its factorization.

9664562 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4832283.

The product of its digits is 77760, while the sum is 38.

The square root of 9664562 is about 3108.7878666773. The cubic root of 9664562 is about 213.0070897741.

The spelling of 9664562 in words is "nine million, six hundred sixty-four thousand, five hundred sixty-two".