2818863 has 6 divisors (see below), whose sum is σ = 4071704. Its totient is φ = 1879236.

The previous prime is 2818853. The next prime is 2818867. The reversal of 2818863 is 3688182.

2818863 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2818863 - 2¹³ = 2810671 is a prime.

It is a super-2 number, since 2×2818863² = 15891977225538, which contains 22 as substring.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2818867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 156595 + ... + 156612.

2^2818863 is an apocalyptic number.

2818863 is a deficient number, since it is larger than the sum of its proper divisors (1252841).

2818863 is a wasteful number, since it uses less digits than its factorization.

2818863 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 313213 (or 313210 counting only the distinct ones).

The product of its digits is 18432, while the sum is 36.

The square root of 2818863 is about 1678.9469914205. The cubic root of 2818863 is about 141.2617741510.

The spelling of 2818863 in words is "two million, eight hundred eighteen thousand, eight hundred sixty-three".