2859609 has 8 divisors (see below), whose sum is σ = 3830112. Its totient is φ = 1897760.

The previous prime is 2859607. The next prime is 2859617. The reversal of 2859609 is 9069582.

2859609 = T₂₅ + T₂₆ + ... + T₂₅₇.

It is a happy number.

2859609 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 a cyclic number.

It is not a de Polignac number, because 2859609 - 2¹ = 2859607 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2859607) 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, 1347 + ... + 2744.

It is an arithmetic number, because the mean of its divisors is an integer number (478764).

2^2859609 is an apocalyptic number.

It is an amenable number.

2859609 is a deficient number, since it is larger than the sum of its proper divisors (970503).

2859609 is a wasteful number, since it uses less digits than its factorization.

2859609 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4327.

The product of its (nonzero) digits is 38880, while the sum is 39.

The square root of 2859609 is about 1691.0378470040. The cubic root of 2859609 is about 141.9391559739.

The spelling of 2859609 in words is "two million, eight hundred fifty-nine thousand, six hundred nine".