104208403 has 4 divisors (see below), whose sum is σ = 112224448. Its totient is φ = 96192360.

The previous prime is 104208389. The next prime is 104208413. The reversal of 104208403 is 304802401.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 304802401 = 17 ⋅17929553.

It is a cyclic number.

It is not a de Polignac number, because 104208403 - 2⁹ = 104207891 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (104208413) 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 in 3 ways as a sum of consecutive naturals, for example, 4008003 + ... + 4008028.

It is an arithmetic number, because the mean of its divisors is an integer number (28056112).

Almost surely, 2^104208403 is an apocalyptic number.

104208403 is a gapful number since it is divisible by the number (13) formed by its first and last digit.

104208403 is a deficient number, since it is larger than the sum of its proper divisors (8016045).

104208403 is an equidigital number, since it uses as much as digits as its factorization.

104208403 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8016044.

The product of its (nonzero) digits is 768, while the sum is 22.

The square root of 104208403 is about 10208.2517112383. The cubic root of 104208403 is about 470.5808466790.

The spelling of 104208403 in words is "one hundred four million, two hundred eight thousand, four hundred three".