8743393 has 2 divisors, whose sum is σ = 8743394. Its totient is φ = 8743392.

The previous prime is 8743379. The next prime is 8743409. The reversal of 8743393 is 3933478.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 6718464 + 2024929 = 2592^2 + 1423^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-8743393 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (8740393) 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, 4371696 + 4371697.

It is an arithmetic number, because the mean of its divisors is an integer number (4371697).

Almost surely, 2^8743393 is an apocalyptic number.

It is an amenable number.

8743393 is a deficient number, since it is larger than the sum of its proper divisors (1).

8743393 is an equidigital number, since it uses as much as digits as its factorization.

8743393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 54432, while the sum is 37.

The square root of 8743393 is about 2956.9228938205. The cubic root of 8743393 is about 206.0123865364.

The spelling of 8743393 in words is "eight million, seven hundred forty-three thousand, three hundred ninety-three".