2606859 has 12 divisors (see below), whose sum is σ = 3790696. Its totient is φ = 1726272.

The previous prime is 2606833. The next prime is 2606873. The reversal of 2606859 is 9586062.

It is not a de Polignac number, because 2606859 - 2⁷ = 2606731 is a prime.

It is a super-3 number, since 3×2606859³ = 53146403401678493337, which contains 333 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2606809) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 579 + ... + 2355.

2^2606859 is an apocalyptic number.

2606859 is a deficient number, since it is larger than the sum of its proper divisors (1183837).

2606859 is a wasteful number, since it uses less digits than its factorization.

2606859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1946 (or 1943 counting only the distinct ones).

The product of its (nonzero) digits is 25920, while the sum is 36.

The square root of 2606859 is about 1614.5770343963. The cubic root of 2606859 is about 137.6276984476.

The spelling of 2606859 in words is "two million, six hundred six thousand, eight hundred fifty-nine".