8820173 has 4 divisors (see below), whose sum is σ = 8964828. Its totient is φ = 8675520.

The previous prime is 8820169. The next prime is 8820181. The reversal of 8820173 is 3710288.

8820173 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 537289 + 8282884 = 733^2 + 2878^2 .

It is a cyclic number.

It is not a de Polignac number, because 8820173 - 2² = 8820169 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (8820143) 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, 72236 + ... + 72357.

It is an arithmetic number, because the mean of its divisors is an integer number (2241207).

Almost surely, 2^8820173 is an apocalyptic number.

It is an amenable number.

8820173 is a deficient number, since it is larger than the sum of its proper divisors (144655).

8820173 is a wasteful number, since it uses less digits than its factorization.

8820173 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 144654.

The product of its (nonzero) digits is 2688, while the sum is 29.

The square root of 8820173 is about 2969.8776069057. The cubic root of 8820173 is about 206.6136616871.

The spelling of 8820173 in words is "eight million, eight hundred twenty thousand, one hundred seventy-three".