104473991 has 2 divisors, whose sum is σ = 104473992. Its totient is φ = 104473990.

The previous prime is 104473931. The next prime is 104474011. The reversal of 104473991 is 199374401.

It is a strong prime.

It is an emirp because it is prime and its reverse (199374401) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 104473991 - 2¹⁰ = 104472967 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104473931) 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, 52236995 + 52236996.

It is an arithmetic number, because the mean of its divisors is an integer number (52236996).

Almost surely, 2^104473991 is an apocalyptic number.

104473991 is a deficient number, since it is larger than the sum of its proper divisors (1).

104473991 is an equidigital number, since it uses as much as digits as its factorization.

104473991 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 27216, while the sum is 38.

The square root of 104473991 is about 10221.2519291915. The cubic root of 104473991 is about 470.9802853558.

The spelling of 104473991 in words is "one hundred four million, four hundred seventy-three thousand, nine hundred ninety-one".