8817973 has 2 divisors, whose sum is σ = 8817974. Its totient is φ = 8817972.

The previous prime is 8817959. The next prime is 8818009. The reversal of 8817973 is 3797188.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 8803089 + 14884 = 2967^2 + 122^2 .

It is a cyclic number.

It is not a de Polignac number, because 8817973 - 2¹³ = 8809781 is a prime.

8817973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (8817923) by changing a digit.

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, 4408986 + 4408987.

It is an arithmetic number, because the mean of its divisors is an integer number (4408987).

Almost surely, 2^8817973 is an apocalyptic number.

It is an amenable number.

8817973 is a deficient number, since it is larger than the sum of its proper divisors (1).

8817973 is an equidigital number, since it uses as much as digits as its factorization.

8817973 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 84672, while the sum is 43.

The square root of 8817973 is about 2969.5071981728. The cubic root of 8817973 is about 206.5964818330.

The spelling of 8817973 in words is "eight million, eight hundred seventeen thousand, nine hundred seventy-three".