2845891 has 2 divisors, whose sum is σ = 2845892. Its totient is φ = 2845890.

The previous prime is 2845873. The next prime is 2845903. The reversal of 2845891 is 1985482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2845891 - 2¹⁵ = 2813123 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2845891.

It is not a weakly prime, because it can be changed into another prime (2845811) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1422945 + 1422946.

It is an arithmetic number, because the mean of its divisors is an integer number (1422946).

2^2845891 is an apocalyptic number.

2845891 is a deficient number, since it is larger than the sum of its proper divisors (1).

2845891 is an equidigital number, since it uses as much as digits as its factorization.

2845891 is an evil number, because the sum of its binary digits is even.

The product of its digits is 23040, while the sum is 37.

The square root of 2845891 is about 1686.9768818807. The cubic root of 2845891 is about 141.7118238204.

The spelling of 2845891 in words is "two million, eight hundred forty-five thousand, eight hundred ninety-one".