104489669 has 2 divisors, whose sum is σ = 104489670. Its totient is φ = 104489668.

The previous prime is 104489657. The next prime is 104489687. The reversal of 104489669 is 966984401.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 72420100 + 32069569 = 8510^2 + 5663^2 .

It is a cyclic number.

It is not a de Polignac number, because 104489669 - 2⁴ = 104489653 is a prime.

It is a super-2 number, since 2×104489669² = 21836181855459122, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (104489629) 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, 52244834 + 52244835.

It is an arithmetic number, because the mean of its divisors is an integer number (52244835).

Almost surely, 2^104489669 is an apocalyptic number.

It is an amenable number.

104489669 is a deficient number, since it is larger than the sum of its proper divisors (1).

104489669 is an equidigital number, since it uses as much as digits as its factorization.

104489669 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 373248, while the sum is 47.

The square root of 104489669 is about 10222.0188319138. The cubic root of 104489669 is about 471.0038435623.

The spelling of 104489669 in words is "one hundred four million, four hundred eighty-nine thousand, six hundred sixty-nine".