2870863 has 2 divisors, whose sum is σ = 2870864. Its totient is φ = 2870862.

The previous prime is 2870839. The next prime is 2870893. The reversal of 2870863 is 3680782.

It is a happy number.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2870863 - 2⁵ = 2870831 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2870893) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1435431 + 1435432.

It is an arithmetic number, because the mean of its divisors is an integer number (1435432).

2^2870863 is an apocalyptic number.

2870863 is a deficient number, since it is larger than the sum of its proper divisors (1).

2870863 is an equidigital number, since it uses as much as digits as its factorization.

2870863 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 16128, while the sum is 34.

The square root of 2870863 is about 1694.3621218618. The cubic root of 2870863 is about 142.1251129036.

The spelling of 2870863 in words is "two million, eight hundred seventy thousand, eight hundred sixty-three".