2783247 has 16 divisors (see below), whose sum is σ = 3844992. Its totient is φ = 1789920.

The previous prime is 2783243. The next prime is 2783267. The reversal of 2783247 is 7423872.

2783247 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is not a de Polignac number, because 2783247 - 2² = 2783243 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2783243) 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 15 ways as a sum of consecutive naturals, for example, 12148 + ... + 12374.

It is an arithmetic number, because the mean of its divisors is an integer number (240312).

2^2783247 is an apocalyptic number.

2783247 is a deficient number, since it is larger than the sum of its proper divisors (1061745).

2783247 is a wasteful number, since it uses less digits than its factorization.

2783247 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 358.

The product of its digits is 18816, while the sum is 33.

The square root of 2783247 is about 1668.3066264929. The cubic root of 2783247 is about 140.6643088135.

The spelling of 2783247 in words is "two million, seven hundred eighty-three thousand, two hundred forty-seven".