2280783 has 4 divisors (see below), whose sum is σ = 3041048. Its totient is φ = 1520520.

The previous prime is 2280767. The next prime is 2280823. The reversal of 2280783 is 3870822.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 2280783 - 2⁴ = 2280767 is a prime.

It is a D-number.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2280783.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2280283) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 380128 + ... + 380133.

It is an arithmetic number, because the mean of its divisors is an integer number (760262).

2^2280783 is an apocalyptic number.

2280783 is a deficient number, since it is larger than the sum of its proper divisors (760265).

2280783 is an equidigital number, since it uses as much as digits as its factorization.

2280783 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 760264.

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

The square root of 2280783 is about 1510.2261420066. The cubic root of 2280783 is about 131.6319522504.

It can be divided in two parts, 22807 and 83, that multiplied together give a palindrome (1892981).

The spelling of 2280783 in words is "two million, two hundred eighty thousand, seven hundred eighty-three".