2784142 has 8 divisors (see below), whose sum is σ = 4199832. Its totient is φ = 1384200.

The previous prime is 2784137. The next prime is 2784149. The reversal of 2784142 is 2414872.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a self number, because there is not a number n which added to its sum of digits gives 2784142.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2784149) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3484 + ... + 4207.

It is an arithmetic number, because the mean of its divisors is an integer number (524979).

2^2784142 is an apocalyptic number.

2784142 is a deficient number, since it is larger than the sum of its proper divisors (1415690).

2784142 is a wasteful number, since it uses less digits than its factorization.

2784142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7874.

The product of its digits is 3584, while the sum is 28.

The square root of 2784142 is about 1668.5748409946. The cubic root of 2784142 is about 140.6793848577.

It can be divided in two parts, 2784 and 142, that added together give a triangular number (2926 = T₇₆).

The spelling of 2784142 in words is "two million, seven hundred eighty-four thousand, one hundred forty-two".