9646573 has 4 divisors (see below), whose sum is σ = 9661500. Its totient is φ = 9631648.

The previous prime is 9646561. The next prime is 9646597. The reversal of 9646573 is 3756469.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3756469 = 1049 ⋅3581.

It can be written as a sum of positive squares in 2 ways, for example, as 8749764 + 896809 = 2958^2 + 947^2 .

It is a cyclic number.

It is not a de Polignac number, because 9646573 - 2⁵ = 9646541 is a prime.

It is a Smith number, since the sum of its digits (40) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (9646513) 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, 6448 + ... + 7801.

It is an arithmetic number, because the mean of its divisors is an integer number (2415375).

Almost surely, 2^9646573 is an apocalyptic number.

It is an amenable number.

9646573 is a deficient number, since it is larger than the sum of its proper divisors (14927).

9646573 is a wasteful number, since it uses less digits than its factorization.

9646573 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 14926.

The product of its digits is 136080, while the sum is 40.

The square root of 9646573 is about 3105.8932692544. The cubic root of 9646573 is about 212.8748484160.

The spelling of 9646573 in words is "nine million, six hundred forty-six thousand, five hundred seventy-three".