2843216 has 20 divisors (see below), whose sum is σ = 5833332. Its totient is φ = 1337856.

The previous prime is 2843213. The next prime is 2843219. The reversal of 2843216 is 6123482.

It is an interprime number because it is at equal distance from previous prime (2843213) and next prime (2843219).

It can be written as a sum of positive squares in 2 ways, for example, as 2572816 + 270400 = 1604^2 + 520^2 .

It is a zygodrome in base 7.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2843213) 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, 4955 + ... + 5498.

2^2843216 is an apocalyptic number.

It is an amenable number.

2843216 is an abundant number, since it is smaller than the sum of its proper divisors (2990116).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2843216 is a wasteful number, since it uses less digits than its factorization.

2843216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10478 (or 10472 counting only the distinct ones).

The product of its digits is 2304, while the sum is 26.

The square root of 2843216 is about 1686.1838571164. The cubic root of 2843216 is about 141.6674091464.

Adding to 2843216 its reverse (6123482), we get a palindrome (8966698).

The spelling of 2843216 in words is "two million, eight hundred forty-three thousand, two hundred sixteen".