2280787 has 4 divisors (see below), whose sum is σ = 2284576. Its totient is φ = 2277000.

The previous prime is 2280767. The next prime is 2280823. The reversal of 2280787 is 7870822.

2280787 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 7870822 = 2 ⋅3935411.

It is a cyclic number.

It is not a de Polignac number, because 2280787 - 2¹⁵ = 2248019 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2280767) by changing a digit.

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 in 3 ways as a sum of consecutive naturals, for example, 768 + ... + 2269.

It is an arithmetic number, because the mean of its divisors is an integer number (571144).

2^2280787 is an apocalyptic number.

2280787 is a deficient number, since it is larger than the sum of its proper divisors (3789).

2280787 is an equidigital number, since it uses as much as digits as its factorization.

2280787 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3788.

The product of its (nonzero) digits is 12544, while the sum is 34.

The square root of 2280787 is about 1510.2274663110. The cubic root of 2280787 is about 131.6320292017.

The spelling of 2280787 in words is "two million, two hundred eighty thousand, seven hundred eighty-seven".