104208493 has 2 divisors, whose sum is σ = 104208494. Its totient is φ = 104208492.

The previous prime is 104208491. The next prime is 104208497. The reversal of 104208493 is 394802401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 95316169 + 8892324 = 9763^2 + 2982^2 .

It is a cyclic number.

It is not a de Polignac number, because 104208493 - 2¹ = 104208491 is a prime.

Together with 104208491, it forms a pair of twin primes.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104208491) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52104246 + 52104247.

It is an arithmetic number, because the mean of its divisors is an integer number (52104247).

Almost surely, 2^104208493 is an apocalyptic number.

It is an amenable number.

104208493 is a deficient number, since it is larger than the sum of its proper divisors (1).

104208493 is an equidigital number, since it uses as much as digits as its factorization.

104208493 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 104208493 is about 10208.2561194359. The cubic root of 104208493 is about 470.5809821520.

The spelling of 104208493 in words is "one hundred four million, two hundred eight thousand, four hundred ninety-three".