2842439 has 2 divisors, whose sum is σ = 2842440. Its totient is φ = 2842438.

The previous prime is 2842403. The next prime is 2842459. The reversal of 2842439 is 9342482.

It is a strong prime.

It is a cyclic number.

It is not a de Polignac number, because 2842439 - 2²⁰ = 1793863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (2842459) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 1421219 + 1421220.

It is an arithmetic number, because the mean of its divisors is an integer number (1421220).

2^2842439 is an apocalyptic number.

2842439 is a deficient number, since it is larger than the sum of its proper divisors (1).

2842439 is an equidigital number, since it uses as much as digits as its factorization.

2842439 is an evil number, because the sum of its binary digits is even.

The product of its digits is 13824, while the sum is 32.

The square root of 2842439 is about 1685.9534394520. The cubic root of 2842439 is about 141.6545029156.

The spelling of 2842439 in words is "two million, eight hundred forty-two thousand, four hundred thirty-nine".