4206091 has 2 divisors, whose sum is σ = 4206092. Its totient is φ = 4206090.

The previous prime is 4206061. The next prime is 4206101. The reversal of 4206091 is 1906024.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4206091 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4206061) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2103045 + 2103046.

It is an arithmetic number, because the mean of its divisors is an integer number (2103046).

Almost surely, 2^4206091 is an apocalyptic number.

4206091 is a deficient number, since it is larger than the sum of its proper divisors (1).

4206091 is an equidigital number, since it uses as much as digits as its factorization.

4206091 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 432, while the sum is 22.

The square root of 4206091 is about 2050.8756666361. The cubic root of 4206091 is about 161.4208221185.

The spelling of 4206091 in words is "four million, two hundred six thousand, ninety-one".