2785268 has 6 divisors (see below), whose sum is σ = 4874226. Its totient is φ = 1392632.

The previous prime is 2785261. The next prime is 2785273. The reversal of 2785268 is 8625872.

It can be written as a sum of positive squares in only one way, i.e., 2347024 + 438244 = 1532^2 + 662^2 .

It is a d-powerful number, because it can be written as 2⁶ + 7⁷ + 8² + 5⁹ + 2¹³ + 6³ + 8² .

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2785261) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 348155 + ... + 348162.

It is an arithmetic number, because the mean of its divisors is an integer number (812371).

2^2785268 is an apocalyptic number.

It is an amenable number.

2785268 is a deficient number, since it is larger than the sum of its proper divisors (2088958).

2785268 is a wasteful number, since it uses less digits than its factorization.

2785268 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 696321 (or 696319 counting only the distinct ones).

The product of its digits is 53760, while the sum is 38.

The square root of 2785268 is about 1668.9122205796. The cubic root of 2785268 is about 140.6983474486.

The spelling of 2785268 in words is "two million, seven hundred eighty-five thousand, two hundred sixty-eight".