4211091 has 6 divisors (see below), whose sum is σ = 6082700. Its totient is φ = 2807388.

The previous prime is 4211083. The next prime is 4211099. The reversal of 4211091 is 1901124.

It is an interprime number because it is at equal distance from previous prime (4211083) and next prime (4211099).

It is not a de Polignac number, because 4211091 - 2³ = 4211083 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (4211099) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 233941 + ... + 233958.

Almost surely, 2^4211091 is an apocalyptic number.

4211091 is a deficient number, since it is larger than the sum of its proper divisors (1871609).

4211091 is a wasteful number, since it uses less digits than its factorization.

4211091 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 467905 (or 467902 counting only the distinct ones).

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

The square root of 4211091 is about 2052.0942960790. The cubic root of 4211091 is about 161.4847599098.

The spelling of 4211091 in words is "four million, two hundred eleven thousand, ninety-one".