104869 has 2 divisors, whose sum is σ = 104870. Its totient is φ = 104868.
The previous prime is 104851. The next prime is 104879. The reversal of 104869 is 968401.
It is a strong prime.
It can be written as a sum of positive squares in only one way, i.e., 82369 + 22500 = 287^2 + 150^2 .
It is a cyclic number.
It is not a de Polignac number, because 104869 - 215 = 72101 is a prime.
It is a super-2 number, since 2×1048692 = 21995014322, which contains 22 as substring.
104869 is a lucky number.
It is a congruent number.
It is not a weakly prime, because it can be changed into another prime (104849) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 52434 + 52435.
It is an arithmetic number, because the mean of its divisors is an integer number (52435).
2104869 is an apocalyptic number.
It is an amenable number.
104869 is a deficient number, since it is larger than the sum of its proper divisors (1).
104869 is an equidigital number, since it uses as much as digits as its factorization.
104869 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 1728, while the sum is 28.
The square root of 104869 is about 323.8348344450. The cubic root of 104869 is about 47.1573120220.
The spelling of 104869 in words is "one hundred four thousand, eight hundred sixty-nine".
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