2782882 has 4 divisors (see below), whose sum is σ = 4174326. Its totient is φ = 1391440.

The previous prime is 2782877. The next prime is 2782903. The reversal of 2782882 is 2882872.

2782882 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., 1635841 + 1147041 = 1279^2 + 1071^2 .

It is an unprimeable number.

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, 695719 + ... + 695722.

2^2782882 is an apocalyptic number.

2782882 is a deficient number, since it is larger than the sum of its proper divisors (1391444).

2782882 is a wasteful number, since it uses less digits than its factorization.

2782882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1391443.

The product of its digits is 28672, while the sum is 37.

The square root of 2782882 is about 1668.1972305456. The cubic root of 2782882 is about 140.6581595548.

It can be divided in two parts, 278 and 2882, that added together give a triangular number (3160 = T₇₉).

The spelling of 2782882 in words is "two million, seven hundred eighty-two thousand, eight hundred eighty-two".