9873205 has 4 divisors (see below), whose sum is σ = 11847852. Its totient is φ = 7898560.

The previous prime is 9873181. The next prime is 9873223. The reversal of 9873205 is 5023789.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 5023789 = 17 ⋅295517.

It can be written as a sum of positive squares in 2 ways, for example, as 7177041 + 2696164 = 2679^2 + 1642^2 .

It is not a de Polignac number, because 9873205 - 2⁹ = 9872693 is a prime.

It is a Duffinian number.

It is a congruent number.

It is an unprimeable number.

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, 987316 + ... + 987325.

It is an arithmetic number, because the mean of its divisors is an integer number (2961963).

Almost surely, 2^9873205 is an apocalyptic number.

It is an amenable number.

9873205 is a deficient number, since it is larger than the sum of its proper divisors (1974647).

9873205 is a wasteful number, since it uses less digits than its factorization.

9873205 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1974646.

The product of its (nonzero) digits is 15120, while the sum is 34.

The square root of 9873205 is about 3142.1656544492. The cubic root of 9873205 is about 214.5290213086.

The spelling of 9873205 in words is "nine million, eight hundred seventy-three thousand, two hundred five".