2855899 has 2 divisors, whose sum is σ = 2855900. Its totient is φ = 2855898.

The previous prime is 2855893. The next prime is 2855911. The reversal of 2855899 is 9985582.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2855899 - 2¹³ = 2847707 is a prime.

It is a Chen prime.

It is not a weakly prime, because it can be changed into another prime (2855893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427949 + 1427950.

It is an arithmetic number, because the mean of its divisors is an integer number (1427950).

2^2855899 is an apocalyptic number.

2855899 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855899 is an equidigital number, since it uses as much as digits as its factorization.

2855899 is an evil number, because the sum of its binary digits is even.

The product of its digits is 259200, while the sum is 46.

The square root of 2855899 is about 1689.9405314981. The cubic root of 2855899 is about 141.8777463938.

The spelling of 2855899 in words is "two million, eight hundred fifty-five thousand, eight hundred ninety-nine".