4391099 has 2 divisors, whose sum is σ = 4391100. Its totient is φ = 4391098.

The previous prime is 4391089. The next prime is 4391131. The reversal of 4391099 is 9901934.

It is a weak prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4391099 is a prime.

It is not a weakly prime, because it can be changed into another prime (4391039) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2195549 + 2195550.

It is an arithmetic number, because the mean of its divisors is an integer number (2195550).

Almost surely, 2^4391099 is an apocalyptic number.

4391099 is a deficient number, since it is larger than the sum of its proper divisors (1).

4391099 is an equidigital number, since it uses as much as digits as its factorization.

4391099 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 8748, while the sum is 35.

The square root of 4391099 is about 2095.4949296049. The cubic root of 4391099 is about 163.7536828805.

The spelling of 4391099 in words is "four million, three hundred ninety-one thousand, ninety-nine".