104009089 has 2 divisors, whose sum is σ = 104009090. Its totient is φ = 104009088.

The previous prime is 104009083. The next prime is 104009099. The reversal of 104009089 is 980900401.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 98406400 + 5602689 = 9920^2 + 2367^2 .

It is a cyclic number.

It is not a de Polignac number, because 104009089 - 2⁵ = 104009057 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 104009089.

It is not a weakly prime, because it can be changed into another prime (104009083) 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, 52004544 + 52004545.

It is an arithmetic number, because the mean of its divisors is an integer number (52004545).

Almost surely, 2^104009089 is an apocalyptic number.

It is an amenable number.

104009089 is a deficient number, since it is larger than the sum of its proper divisors (1).

104009089 is an equidigital number, since it uses as much as digits as its factorization.

104009089 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 2592, while the sum is 31.

The square root of 104009089 is about 10198.4846423378. The cubic root of 104009089 is about 470.2806366842.

The spelling of 104009089 in words is "one hundred four million, nine thousand, eighty-nine".