2560839 has 8 divisors (see below), whose sum is σ = 3594240. Its totient is φ = 1617336.

The previous prime is 2560837. The next prime is 2560847. The reversal of 2560839 is 9380652.

It is a happy number.

2560839 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2560839 - 2¹ = 2560837 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2560837) 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 in 7 ways as a sum of consecutive naturals, for example, 22407 + ... + 22520.

It is an arithmetic number, because the mean of its divisors is an integer number (449280).

2^2560839 is an apocalyptic number.

2560839 is a deficient number, since it is larger than the sum of its proper divisors (1033401).

2560839 is a wasteful number, since it uses less digits than its factorization.

2560839 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 44949.

The product of its (nonzero) digits is 12960, while the sum is 33.

The square root of 2560839 is about 1600.2621660216. The cubic root of 2560839 is about 136.8130185791.

The spelling of 2560839 in words is "two million, five hundred sixty thousand, eight hundred thirty-nine".