2863043 has 4 divisors (see below), whose sum is σ = 2866608. Its totient is φ = 2859480.

The previous prime is 2863037. The next prime is 2863057. The reversal of 2863043 is 3403682.

It is a semiprime because it is the product of two primes, and also a brilliant number, because the two primes have the same length, and also an emirpimes, since its reverse is a distinct semiprime: 3403682 = 2 ⋅1701841.

It is a cyclic number.

It is not a de Polignac number, because 2863043 - 2¹⁶ = 2797507 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2863943) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 53 + ... + 2393.

It is an arithmetic number, because the mean of its divisors is an integer number (716652).

2^2863043 is an apocalyptic number.

2863043 is a deficient number, since it is larger than the sum of its proper divisors (3565).

2863043 is a wasteful number, since it uses less digits than its factorization.

2863043 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3564.

The product of its (nonzero) digits is 3456, while the sum is 26.

The square root of 2863043 is about 1692.0528951543. The cubic root of 2863043 is about 141.9959497621.

The spelling of 2863043 in words is "two million, eight hundred sixty-three thousand, forty-three".