2868439 has 4 divisors (see below), whose sum is σ = 3278224. Its totient is φ = 2458656.

The previous prime is 2868421. The next prime is 2868443. The reversal of 2868439 is 9348682.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2868439 - 2⁵ = 2868407 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2868409) 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, 204882 + ... + 204895.

It is an arithmetic number, because the mean of its divisors is an integer number (819556).

2^2868439 is an apocalyptic number.

2868439 is a deficient number, since it is larger than the sum of its proper divisors (409785).

2868439 is an equidigital number, since it uses as much as digits as its factorization.

2868439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 409784.

The product of its digits is 82944, while the sum is 40.

The square root of 2868439 is about 1693.6466573639. The cubic root of 2868439 is about 142.0851007445.

The spelling of 2868439 in words is "two million, eight hundred sixty-eight thousand, four hundred thirty-nine".