2843812 has 12 divisors (see below), whose sum is σ = 5193216. Its totient is φ = 1360040.

The previous prime is 2843809. The next prime is 2843831. The reversal of 2843812 is 2183482.

It is an Ulam number.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 15364 + ... + 15547.

It is an arithmetic number, because the mean of its divisors is an integer number (432768).

2^2843812 is an apocalyptic number.

It is an amenable number.

2843812 is a deficient number, since it is larger than the sum of its proper divisors (2349404).

2843812 is a wasteful number, since it uses less digits than its factorization.

2843812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 30938 (or 30936 counting only the distinct ones).

The product of its digits is 3072, while the sum is 28.

The square root of 2843812 is about 1686.3605782869. The cubic root of 2843812 is about 141.6773073130.

It can be divided in two parts, 2843 and 812, that added together give a triangular number (3655 = T₈₅).

The spelling of 2843812 in words is "two million, eight hundred forty-three thousand, eight hundred twelve".