2782263 has 16 divisors (see below), whose sum is σ = 4118400. Its totient is φ = 1656480.

The previous prime is 2782217. The next prime is 2782279. The reversal of 2782263 is 3622872.

It is not a de Polignac number, because 2782263 - 2¹³ = 2774071 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2782263.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2782063) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1233 + ... + 2661.

It is an arithmetic number, because the mean of its divisors is an integer number (257400).

2^2782263 is an apocalyptic number.

2782263 is a deficient number, since it is larger than the sum of its proper divisors (1336137).

2782263 is a wasteful number, since it uses less digits than its factorization.

2782263 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1502.

The product of its digits is 8064, while the sum is 30.

The square root of 2782263 is about 1668.0116906065. The cubic root of 2782263 is about 140.6477298567.

The spelling of 2782263 in words is "two million, seven hundred eighty-two thousand, two hundred sixty-three".