4091211 has 6 divisors (see below), whose sum is σ = 5909540. Its totient is φ = 2727468.

The previous prime is 4091177. The next prime is 4091239. The reversal of 4091211 is 1121904.

It is not a de Polignac number, because 4091211 - 2⁷ = 4091083 is a prime.

It is a Duffinian number.

4091211 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (4091281) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 227281 + ... + 227298.

Almost surely, 2^4091211 is an apocalyptic number.

4091211 is a deficient number, since it is larger than the sum of its proper divisors (1818329).

4091211 is a wasteful number, since it uses less digits than its factorization.

4091211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 454585 (or 454582 counting only the distinct ones).

The product of its (nonzero) digits is 72, while the sum is 18.

The square root of 4091211 is about 2022.6742199376. The cubic root of 4091211 is about 159.9376189111.

The spelling of 4091211 in words is "four million, ninety-one thousand, two hundred eleven".