4099217 has 4 divisors (see below), whose sum is σ = 4103460. Its totient is φ = 4094976.

The previous prime is 4099213. The next prime is 4099229. The reversal of 4099217 is 7129904.

4099217 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length.

It can be written as a sum of positive squares in 2 ways, for example, as 2483776 + 1615441 = 1576^2 + 1271^2 .

It is a cyclic number.

It is not a de Polignac number, because 4099217 - 2² = 4099213 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4099213) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 113 + ... + 2865.

It is an arithmetic number, because the mean of its divisors is an integer number (1025865).

Almost surely, 2^4099217 is an apocalyptic number.

It is an amenable number.

4099217 is a deficient number, since it is larger than the sum of its proper divisors (4243).

4099217 is a wasteful number, since it uses less digits than its factorization.

4099217 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4242.

The product of its (nonzero) digits is 4536, while the sum is 32.

The square root of 4099217 is about 2024.6523158310. The cubic root of 4099217 is about 160.0418770593.

The spelling of 4099217 in words is "four million, ninety-nine thousand, two hundred seventeen".