104193893 has 2 divisors, whose sum is σ = 104193894. Its totient is φ = 104193892.

The previous prime is 104193829. The next prime is 104193899. The reversal of 104193893 is 398391401.

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., 64529089 + 39664804 = 8033^2 + 6298^2 .

It is an emirp because it is prime and its reverse (398391401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104193893 - 2⁶ = 104193829 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104193899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52096946 + 52096947.

It is an arithmetic number, because the mean of its divisors is an integer number (52096947).

Almost surely, 2^104193893 is an apocalyptic number.

It is an amenable number.

104193893 is a deficient number, since it is larger than the sum of its proper divisors (1).

104193893 is an equidigital number, since it uses as much as digits as its factorization.

104193893 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 38.

The square root of 104193893 is about 10207.5409869371. The cubic root of 104193893 is about 470.5590044065.

The spelling of 104193893 in words is "one hundred four million, one hundred ninety-three thousand, eight hundred ninety-three".