9393973 has 2 divisors, whose sum is σ = 9393974. Its totient is φ = 9393972.

The previous prime is 9393949. The next prime is 9393977. The reversal of 9393973 is 3793939.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 8631844 + 762129 = 2938^2 + 873^2 .

It is a cyclic number.

It is not a de Polignac number, because 9393973 - 2¹³ = 9385781 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (9393977) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4696986 + 4696987.

It is an arithmetic number, because the mean of its divisors is an integer number (4696987).

Almost surely, 2^9393973 is an apocalyptic number.

It is an amenable number.

9393973 is a deficient number, since it is larger than the sum of its proper divisors (1).

9393973 is an equidigital number, since it uses as much as digits as its factorization.

9393973 is an evil number, because the sum of its binary digits is even.

The product of its digits is 137781, while the sum is 43.

The square root of 9393973 is about 3064.9588904258. The cubic root of 9393973 is about 211.0003144579. Note that the first 3 decimals are identical.

The spelling of 9393973 in words is "nine million, three hundred ninety-three thousand, nine hundred seventy-three".