2863849 has 2 divisors, whose sum is σ = 2863850. Its totient is φ = 2863848.

The previous prime is 2863841. The next prime is 2863853. The reversal of 2863849 is 9483682.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 1638400 + 1225449 = 1280^2 + 1107^2 .

It is a cyclic number.

It is not a de Polignac number, because 2863849 - 2³ = 2863841 is a prime.

It is not a weakly prime, because it can be changed into another prime (2863841) 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, 1431924 + 1431925.

It is an arithmetic number, because the mean of its divisors is an integer number (1431925).

2^2863849 is an apocalyptic number.

It is an amenable number.

2863849 is a deficient number, since it is larger than the sum of its proper divisors (1).

2863849 is an equidigital number, since it uses as much as digits as its factorization.

2863849 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 82944, while the sum is 40.

The square root of 2863849 is about 1692.2910506175. The cubic root of 2863849 is about 142.0092733480.

The spelling of 2863849 in words is "two million, eight hundred sixty-three thousand, eight hundred forty-nine".