2783042 has 4 divisors (see below), whose sum is σ = 4174566. Its totient is φ = 1391520.

The previous prime is 2783041. The next prime is 2783047. The reversal of 2783042 is 2403872.

2783042 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.

It can be written as a sum of positive squares in only one way, i.e., 2686321 + 96721 = 1639^2 + 311^2 .

It is not an unprimeable number, because it can be changed into a prime (2783041) 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, 695759 + ... + 695762.

2^2783042 is an apocalyptic number.

2783042 is a deficient number, since it is larger than the sum of its proper divisors (1391524).

2783042 is a wasteful number, since it uses less digits than its factorization.

2783042 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391523.

The product of its (nonzero) digits is 2688, while the sum is 26.

The square root of 2783042 is about 1668.2451858165. The cubic root of 2783042 is about 140.6608551864.

It can be divided in two parts, 27830 and 42, that added together give a palindrome (27872).

The spelling of 2783042 in words is "two million, seven hundred eighty-three thousand, forty-two".