2782036 has 6 divisors (see below), whose sum is σ = 4868570. Its totient is φ = 1391016.

The previous prime is 2782019. The next prime is 2782049. The reversal of 2782036 is 6302872.

2782036 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2722500 + 59536 = 1650^2 + 244^2 .

It is a junction number, because it is equal to n+sod(n) for n = 2781995 and 2782013.

It is a congruent number.

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, 347751 + ... + 347758.

2^2782036 is an apocalyptic number.

It is an amenable number.

2782036 is a deficient number, since it is larger than the sum of its proper divisors (2086534).

2782036 is a wasteful number, since it uses less digits than its factorization.

2782036 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 695513 (or 695511 counting only the distinct ones).

The product of its (nonzero) digits is 4032, while the sum is 28.

The square root of 2782036 is about 1667.9436441319. The cubic root of 2782036 is about 140.6439046848.

The spelling of 2782036 in words is "two million, seven hundred eighty-two thousand, thirty-six".