2104441 has 2 divisors, whose sum is σ = 2104442.
Its totient is φ = 2104440.
The previous prime is 2104433. The next prime is 2104483. The reversal of 2104441 is 1444012.
It is a weak prime.
It can be written as a sum of positive squares in only one way, i.e., 1971216 + 133225 = 1404^2 + 365^2
It is a cyclic number.
It is not a de Polignac number, because 2104441 - 23 = 2104433 is a prime.
2104441 is a lucky number.
It is not a weakly prime, because it can be changed into another prime (2104241) by changing a digit.
It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1052220 + 1052221.
It is an arithmetic number, because the mean of its divisors is an integer number (1052221).
22104441 is an apocalyptic number.
It is an amenable number.
2104441 is a deficient number, since it is larger than the sum of its proper divisors (1).
2104441 is an equidigital number, since it uses as much as digits as its factorization.
2104441 is an odious number, because the sum of its binary digits is odd.
The product of its (nonzero) digits is 128, while the sum is 16.
The square root of 2104441 is about 1450.6691559415.
The cubic root of 2104441 is about 128.1481236076.
Adding to 2104441 its reverse (1444012), we get a palindrome (3548453).
The spelling of 2104441 in words is "two million, one hundred four thousand, four hundred forty-one".