4099189 has 2 divisors, whose sum is σ = 4099190. Its totient is φ = 4099188.

The previous prime is 4099187. The next prime is 4099213. The reversal of 4099189 is 9819904.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 3132900 + 966289 = 1770^2 + 983^2 .

It is a cyclic number.

It is not a de Polignac number, because 4099189 - 2¹ = 4099187 is a prime.

Together with 4099187, it forms a pair of twin primes.

It is a Chen prime.

4099189 is a lucky number.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (4099187) 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, 2049594 + 2049595.

It is an arithmetic number, because the mean of its divisors is an integer number (2049595).

Almost surely, 2^4099189 is an apocalyptic number.

It is an amenable number.

4099189 is a deficient number, since it is larger than the sum of its proper divisors (1).

4099189 is an equidigital number, since it uses as much as digits as its factorization.

4099189 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 23328, while the sum is 40.

The square root of 4099189 is about 2024.6454010517. The cubic root of 4099189 is about 160.0415126659.

The spelling of 4099189 in words is "four million, ninety-nine thousand, one hundred eighty-nine".