2843242 has 4 divisors (see below), whose sum is σ = 4264866. Its totient is φ = 1421620.

The previous prime is 2843221. The next prime is 2843249. The reversal of 2843242 is 2423482.

2843242 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 2423482 = 2 ⋅1211741.

It can be written as a sum of positive squares in only one way, i.e., 2368521 + 474721 = 1539^2 + 689^2 .

It is not an unprimeable number, because it can be changed into a prime (2843249) 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 as a sum of consecutive naturals, namely, 710809 + ... + 710812.

2^2843242 is an apocalyptic number.

2843242 is a deficient number, since it is larger than the sum of its proper divisors (1421624).

2843242 is a wasteful number, since it uses less digits than its factorization.

2843242 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1421623.

The product of its digits is 3072, while the sum is 25.

The square root of 2843242 is about 1686.1915668156. The cubic root of 2843242 is about 141.6678409745.

The spelling of 2843242 in words is "two million, eight hundred forty-three thousand, two hundred forty-two".