9644673 has 4 divisors (see below), whose sum is σ = 12859568. Its totient is φ = 6429780.

The previous prime is 9644669. The next prime is 9644707. The reversal of 9644673 is 3764469.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3764469 = 3 ⋅1254823.

It is not a de Polignac number, because 9644673 - 2² = 9644669 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (9644633) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 1607443 + ... + 1607448.

It is an arithmetic number, because the mean of its divisors is an integer number (3214892).

Almost surely, 2^9644673 is an apocalyptic number.

It is an amenable number.

9644673 is a deficient number, since it is larger than the sum of its proper divisors (3214895).

9644673 is a wasteful number, since it uses less digits than its factorization.

9644673 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3214894.

The product of its digits is 108864, while the sum is 39.

The square root of 9644673 is about 3105.5873840547. The cubic root of 9644673 is about 212.8608714741.

It can be divided in two parts, 964467 and 3, that multiplied together give a square (2893401 = 1701²).

The spelling of 9644673 in words is "nine million, six hundred forty-four thousand, six hundred seventy-three".