2784349 has 2 divisors, whose sum is σ = 2784350. Its totient is φ = 2784348.

The previous prime is 2784347. The next prime is 2784359. The reversal of 2784349 is 9434872.

It is a happy number.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 2656900 + 127449 = 1630^2 + 357^2 .

It is a cyclic number.

It is not a de Polignac number, because 2784349 - 2¹ = 2784347 is a prime.

Together with 2784347, it forms a pair of twin primes.

It is a d-powerful number, because it can be written as 2¹⁹ + 7⁶ + 8 + 4⁴ + 3¹³ + 4⁷ + 9⁶ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2784347) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1392174 + 1392175.

It is an arithmetic number, because the mean of its divisors is an integer number (1392175).

2^2784349 is an apocalyptic number.

It is an amenable number.

2784349 is a deficient number, since it is larger than the sum of its proper divisors (1).

2784349 is an equidigital number, since it uses as much as digits as its factorization.

2784349 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 48384, while the sum is 37.

The square root of 2784349 is about 1668.6368688244. The cubic root of 2784349 is about 140.6828712592.

The spelling of 2784349 in words is "two million, seven hundred eighty-four thousand, three hundred forty-nine".