4119805 has 4 divisors (see below), whose sum is σ = 4943772. Its totient is φ = 3295840.

The previous prime is 4119781. The next prime is 4119809. The reversal of 4119805 is 5089114.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 1726596 + 2393209 = 1314^2 + 1547^2 .

It is not a de Polignac number, because 4119805 - 2⁷ = 4119677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4119809) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 411976 + ... + 411985.

It is an arithmetic number, because the mean of its divisors is an integer number (1235943).

Almost surely, 2^4119805 is an apocalyptic number.

It is an amenable number.

4119805 is a deficient number, since it is larger than the sum of its proper divisors (823967).

4119805 is an equidigital number, since it uses as much as digits as its factorization.

4119805 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 823966.

The product of its (nonzero) digits is 1440, while the sum is 28.

The square root of 4119805 is about 2029.7302776477. The cubic root of 4119805 is about 160.3093623952.

The spelling of 4119805 in words is "four million, one hundred nineteen thousand, eight hundred five".