2559939 has 8 divisors (see below), whose sum is σ = 3440640. Its totient is φ = 1692936.

The previous prime is 2559937. The next prime is 2559959. The reversal of 2559939 is 9399552.

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

It is not a de Polignac number, because 2559939 - 2¹ = 2559937 is a prime.

It is a self number, because there is not a number n which added to its sum of digits gives 2559939.

It is not an unprimeable number, because it can be changed into a prime (2559937) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 2979 + ... + 3740.

It is an arithmetic number, because the mean of its divisors is an integer number (430080).

2^2559939 is an apocalyptic number.

2559939 is a deficient number, since it is larger than the sum of its proper divisors (880701).

2559939 is a wasteful number, since it uses less digits than its factorization.

2559939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 6849.

The product of its digits is 109350, while the sum is 42.

The square root of 2559939 is about 1599.9809373864. The cubic root of 2559939 is about 136.7969891783.

The spelling of 2559939 in words is "two million, five hundred fifty-nine thousand, nine hundred thirty-nine".