2783305 has 16 divisors (see below), whose sum is σ = 3844224. Its totient is φ = 1895040.

The previous prime is 2783281. The next prime is 2783311. The reversal of 2783305 is 5033872.

It is not a de Polignac number, because 2783305 - 2¹⁷ = 2652233 is a prime.

It is a Duffinian number.

It is an unprimeable number.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 9694 + ... + 9976.

It is an arithmetic number, because the mean of its divisors is an integer number (240264).

2^2783305 is an apocalyptic number.

It is an amenable number.

2783305 is a deficient number, since it is larger than the sum of its proper divisors (1060919).

2783305 is a wasteful number, since it uses less digits than its factorization.

2783305 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 576.

The product of its (nonzero) digits is 5040, while the sum is 28.

The square root of 2783305 is about 1668.3240092980. The cubic root of 2783305 is about 140.6652859064.

The spelling of 2783305 in words is "two million, seven hundred eighty-three thousand, three hundred five".