4568891 has 2 divisors, whose sum is σ = 4568892. Its totient is φ = 4568890.

The previous prime is 4568833. The next prime is 4568899. The reversal of 4568891 is 1988654.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 4568891 - 2⁶ = 4568827 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (4568899) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 2284445 + 2284446.

It is an arithmetic number, because the mean of its divisors is an integer number (2284446).

Almost surely, 2^4568891 is an apocalyptic number.

4568891 is a deficient number, since it is larger than the sum of its proper divisors (1).

4568891 is an equidigital number, since it uses as much as digits as its factorization.

4568891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 69120, while the sum is 41.

The square root of 4568891 is about 2137.4964327456. The cubic root of 4568891 is about 165.9345922213.

The spelling of 4568891 in words is "four million, five hundred sixty-eight thousand, eight hundred ninety-one".