2841239 has 4 divisors (see below), whose sum is σ = 2848440. Its totient is φ = 2834040.

The previous prime is 2841211. The next prime is 2841283. The reversal of 2841239 is 9321482.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9321482 = 2 ⋅4660741.

It is a cyclic number.

It is not a de Polignac number, because 2841239 - 2²⁰ = 1792663 is a prime.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2841439) 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 in 3 ways as a sum of consecutive naturals, for example, 2972 + ... + 3809.

It is an arithmetic number, because the mean of its divisors is an integer number (712110).

2^2841239 is an apocalyptic number.

2841239 is a deficient number, since it is larger than the sum of its proper divisors (7201).

2841239 is an equidigital number, since it uses as much as digits as its factorization.

2841239 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 7200.

The product of its digits is 3456, while the sum is 29.

The square root of 2841239 is about 1685.5975201690. The cubic root of 2841239 is about 141.6345658909.

The spelling of 2841239 in words is "two million, eight hundred forty-one thousand, two hundred thirty-nine".