104204489 has 2 divisors, whose sum is σ = 104204490. Its totient is φ = 104204488.

The previous prime is 104204473. The next prime is 104204501. The reversal of 104204489 is 984402401.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 104203264 + 1225 = 10208^2 + 35^2 .

It is a cyclic number.

It is not a de Polignac number, because 104204489 - 2⁴ = 104204473 is a prime.

It is a super-2 number, since 2×104204489² = 21717151055502242, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (104204459) 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 as a sum of consecutive naturals, namely, 52102244 + 52102245.

It is an arithmetic number, because the mean of its divisors is an integer number (52102245).

Almost surely, 2^104204489 is an apocalyptic number.

It is an amenable number.

104204489 is a deficient number, since it is larger than the sum of its proper divisors (1).

104204489 is an equidigital number, since it uses as much as digits as its factorization.

104204489 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 9216, while the sum is 32.

The square root of 104204489 is about 10208.0600017829. The cubic root of 104204489 is about 470.5749550348.

The spelling of 104204489 in words is "one hundred four million, two hundred four thousand, four hundred eighty-nine".