4058891 has 2 divisors, whose sum is σ = 4058892. Its totient is φ = 4058890.

The previous prime is 4058867. The next prime is 4058893. The reversal of 4058891 is 1988504.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-4058891 is a prime.

It is a super-2 number, since 2×4058891² = 32949192299762, which contains 22 as substring.

It is a Sophie Germain prime.

Together with 4058893, it forms a pair of twin primes.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4058893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2029445 + 2029446.

It is an arithmetic number, because the mean of its divisors is an integer number (2029446).

Almost surely, 2^4058891 is an apocalyptic number.

4058891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4058891 is an equidigital number, since it uses as much as digits as its factorization.

4058891 is an odious number, because the sum of its binary digits is odd.

The product of its (nonzero) digits is 11520, while the sum is 35.

The square root of 4058891 is about 2014.6689554366. The cubic root of 4058891 is about 159.5153433024.

The spelling of 4058891 in words is "four million, fifty-eight thousand, eight hundred ninety-one".