4091109 has 8 divisors (see below), whose sum is σ = 5950752. Its totient is φ = 2479440.

The previous prime is 4091083. The next prime is 4091161. The reversal of 4091109 is 9011904.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a de Polignac number, because none of the positive numbers 2^k-4091109 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4091609) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 61954 + ... + 62019.

It is an arithmetic number, because the mean of its divisors is an integer number (743844).

Almost surely, 2^4091109 is an apocalyptic number.

It is an amenable number.

4091109 is a deficient number, since it is larger than the sum of its proper divisors (1859643).

4091109 is a wasteful number, since it uses less digits than its factorization.

4091109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 123987.

The product of its (nonzero) digits is 324, while the sum is 24.

The square root of 4091109 is about 2022.6490056359. The cubic root of 4091109 is about 159.9362897388.

The spelling of 4091109 in words is "four million, ninety-one thousand, one hundred nine".