2823439 has 2 divisors, whose sum is σ = 2823440. Its totient is φ = 2823438.

The previous prime is 2823437. The next prime is 2823451. The reversal of 2823439 is 9343282.

2823439 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a weak prime.

It is a cyclic number.

It is not a de Polignac number, because 2823439 - 2¹ = 2823437 is a prime.

Together with 2823437, it forms a pair of twin primes.

It is an Ulam number.

2823439 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 2823439.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2823437) 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 as a sum of consecutive naturals, namely, 1411719 + 1411720.

It is an arithmetic number, because the mean of its divisors is an integer number (1411720).

2^2823439 is an apocalyptic number.

2823439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2823439 is an equidigital number, since it uses as much as digits as its factorization.

2823439 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 10368, while the sum is 31.

The square root of 2823439 is about 1680.3091977371. The cubic root of 2823439 is about 141.3381719053.

It can be divided in two parts, 282 and 3439, that added together give a square (3721 = 61²).

The spelling of 2823439 in words is "two million, eight hundred twenty-three thousand, four hundred thirty-nine".