104393 has 2 divisors, whose sum is σ = 104394. Its totient is φ = 104392.

The previous prime is 104383. The next prime is 104399. The reversal of 104393 is 393401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104329 + 64 = 323^2 + 8^2 .

It is an emirp because it is prime and its reverse (393401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104393 - 2¹² = 100297 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (104399) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52196 + 52197.

It is an arithmetic number, because the mean of its divisors is an integer number (52197).

2¹⁰⁴³⁹³ is an apocalyptic number.

It is an amenable number.

104393 is a deficient number, since it is larger than the sum of its proper divisors (1).

104393 is an equidigital number, since it uses as much as digits as its factorization.

104393 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 104393 is about 323.0990560184. The cubic root of 104393 is about 47.0858548436.

Adding to 104393 its reverse (393401), we get a palindrome (497794).

The spelling of 104393 in words is "one hundred four thousand, three hundred ninety-three".