2085899 has 2 divisors, whose sum is σ = 2085900. Its totient is φ = 2085898.

The previous prime is 2085869. The next prime is 2085929. The reversal of 2085899 is 9985802.

It is a happy number.

It is a balanced prime because it is at equal distance from previous prime (2085869) and next prime (2085929).

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-2085899 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2085869) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1042949 + 1042950.

It is an arithmetic number, because the mean of its divisors is an integer number (1042950).

2^2085899 is an apocalyptic number.

2085899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2085899 is an equidigital number, since it uses as much as digits as its factorization.

2085899 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 51840, while the sum is 41.

The square root of 2085899 is about 1444.2641725114. The cubic root of 2085899 is about 127.7706464129.

The spelling of 2085899 in words is "two million, eighty-five thousand, eight hundred ninety-nine".