9318973 has 2 divisors, whose sum is σ = 9318974. Its totient is φ = 9318972.

The previous prime is 9318913. The next prime is 9318983. The reversal of 9318973 is 3798139.

9318973 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 7634169 + 1684804 = 2763^2 + 1298^2 .

It is a cyclic number.

It is not a de Polignac number, because 9318973 - 2⁹ = 9318461 is a prime.

9318973 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9318913) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4659486 + 4659487.

It is an arithmetic number, because the mean of its divisors is an integer number (4659487).

Almost surely, 2^9318973 is an apocalyptic number.

It is an amenable number.

9318973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9318973 is an equidigital number, since it uses as much as digits as its factorization.

9318973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 40824, while the sum is 40.

The square root of 9318973 is about 3052.6992973433. The cubic root of 9318973 is about 210.4372823161.

The spelling of 9318973 in words is "nine million, three hundred eighteen thousand, nine hundred seventy-three".