4005211 has 8 divisors (see below), whose sum is σ = 4671200. Its totient is φ = 3432744.

The previous prime is 4005203. The next prime is 4005223. The reversal of 4005211 is 1125004.

It is not a de Polignac number, because 4005211 - 2³ = 4005203 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4005191 and 4005200.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4005241) 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, 5496 + ... + 6181.

It is an arithmetic number, because the mean of its divisors is an integer number (583900).

Almost surely, 2^4005211 is an apocalyptic number.

4005211 is a deficient number, since it is larger than the sum of its proper divisors (665989).

4005211 is an equidigital number, since it uses as much as digits as its factorization.

4005211 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11698 (or 11684 counting only the distinct ones).

The product of its (nonzero) digits is 40, while the sum is 13.

The square root of 4005211 is about 2001.3023259868. The cubic root of 4005211 is about 158.8090081750.

The spelling of 4005211 in words is "four million, five thousand, two hundred eleven".