2784313 has 4 divisors (see below), whose sum is σ = 3182080. Its totient is φ = 2386548.

The previous prime is 2784307. The next prime is 2784329. The reversal of 2784313 is 3134872.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 2784313 - 2⁵ = 2784281 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2784373) 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, 198873 + ... + 198886.

It is an arithmetic number, because the mean of its divisors is an integer number (795520).

2^2784313 is an apocalyptic number.

It is an amenable number.

2784313 is a deficient number, since it is larger than the sum of its proper divisors (397767).

2784313 is an equidigital number, since it uses as much as digits as its factorization.

2784313 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 397766.

The product of its digits is 4032, while the sum is 28.

The square root of 2784313 is about 1668.6260815413. The cubic root of 2784313 is about 140.6822649409.

The spelling of 2784313 in words is "two million, seven hundred eighty-four thousand, three hundred thirteen".