8623393 has 2 divisors, whose sum is σ = 8623394. Its totient is φ = 8623392.

The previous prime is 8623357. The next prime is 8623409. The reversal of 8623393 is 3933268.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 6640929 + 1982464 = 2577^2 + 1408^2 .

It is a cyclic number.

It is not a de Polignac number, because 8623393 - 2¹⁷ = 8492321 is a prime.

8623393 is a lucky number.

It is not a weakly prime, because it can be changed into another prime (8623193) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 4311696 + 4311697.

It is an arithmetic number, because the mean of its divisors is an integer number (4311697).

Almost surely, 2^8623393 is an apocalyptic number.

It is an amenable number.

8623393 is a deficient number, since it is larger than the sum of its proper divisors (1).

8623393 is an equidigital number, since it uses as much as digits as its factorization.

8623393 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 23328, while the sum is 34.

The square root of 8623393 is about 2936.5614245236. The cubic root of 8623393 is about 205.0655590439.

The spelling of 8623393 in words is "eight million, six hundred twenty-three thousand, three hundred ninety-three".