2855893 has 2 divisors, whose sum is σ = 2855894. Its totient is φ = 2855892.

The previous prime is 2855873. The next prime is 2855899. The reversal of 2855893 is 3985582.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2748964 + 106929 = 1658^2 + 327^2 .

It is a cyclic number.

It is not a de Polignac number, because 2855893 - 2²¹ = 758741 is a prime.

It is a super-2 number, since 2×2855893² = 16312249654898, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2855899) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1427946 + 1427947.

It is an arithmetic number, because the mean of its divisors is an integer number (1427947).

2^2855893 is an apocalyptic number.

It is an amenable number.

2855893 is a deficient number, since it is larger than the sum of its proper divisors (1).

2855893 is an equidigital number, since it uses as much as digits as its factorization.

2855893 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 86400, while the sum is 40.

The square root of 2855893 is about 1689.9387562867. The cubic root of 2855893 is about 141.8776470361.

The spelling of 2855893 in words is "two million, eight hundred fifty-five thousand, eight hundred ninety-three".