2863897 has 2 divisors, whose sum is σ = 2863898. Its totient is φ = 2863896.

The previous prime is 2863879. The next prime is 2863907. The reversal of 2863897 is 7983682.

Together with previous prime (2863879) it forms an Ormiston pair, because they use the same digits, order apart.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 2758921 + 104976 = 1661^2 + 324^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863897 - 2¹¹ = 2861849 is a prime.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (2863867) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1431948 + 1431949.

It is an arithmetic number, because the mean of its divisors is an integer number (1431949).

2^2863897 is an apocalyptic number.

It is an amenable number.

2863897 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863897 is an equidigital number, since it uses as much as digits as its factorization.

2863897 is an evil number, because the sum of its binary digits is even.

The product of its digits is 145152, while the sum is 43.

The square root of 2863897 is about 1692.3052325157. The cubic root of 2863897 is about 142.0100667333.

The spelling of 2863897 in words is "two million, eight hundred sixty-three thousand, eight hundred ninety-seven".