2780283 has 16 divisors (see below), whose sum is σ = 4075776. Its totient is φ = 1671840.

The previous prime is 2780273. The next prime is 2780303. The reversal of 2780283 is 3820872.

It is not a de Polignac number, because 2780283 - 2⁹ = 2779771 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2780283.

It is not an unprimeable number, because it can be changed into a prime (2780203) 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 15 ways as a sum of consecutive naturals, for example, 5466 + ... + 5952.

It is an arithmetic number, because the mean of its divisors is an integer number (254736).

2^2780283 is an apocalyptic number.

2780283 is a deficient number, since it is larger than the sum of its proper divisors (1295493).

2780283 is a wasteful number, since it uses less digits than its factorization.

2780283 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 674.

The product of its (nonzero) digits is 5376, while the sum is 30.

The square root of 2780283 is about 1667.4180639540. The cubic root of 2780283 is about 140.6143579107.

The spelling of 2780283 in words is "two million, seven hundred eighty thousand, two hundred eighty-three".