2783142 has 12 divisors (see below), whose sum is σ = 6030180. Its totient is φ = 927708.

The previous prime is 2783117. The next prime is 2783153. The reversal of 2783142 is 2413872.

It is a congruent number.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 77292 + ... + 77327.

It is an arithmetic number, because the mean of its divisors is an integer number (502515).

2^2783142 is an apocalyptic number.

2783142 is an abundant number, since it is smaller than the sum of its proper divisors (3247038).

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

2783142 is a wasteful number, since it uses less digits than its factorization.

2783142 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 154627 (or 154624 counting only the distinct ones).

The product of its digits is 2688, while the sum is 27.

The square root of 2783142 is about 1668.2751571608. The cubic root of 2783142 is about 140.6625399037.

The spelling of 2783142 in words is "two million, seven hundred eighty-three thousand, one hundred forty-two".