2859939 has 6 divisors (see below), whose sum is σ = 4131036. Its totient is φ = 1906620.

The previous prime is 2859929. The next prime is 2859943. The reversal of 2859939 is 9399582.

2859939 is a `hidden beast` number, since 28 + 599 + 39 = 666.

It is not a de Polignac number, because 2859939 - 2⁹ = 2859427 is a prime.

It is a junction number, because it is equal to n+sod(n) for n = 2859894 and 2859903.

It is not an unprimeable number, because it can be changed into a prime (2859919) by changing a digit.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 158877 + ... + 158894.

It is an arithmetic number, because the mean of its divisors is an integer number (688506).

2^2859939 is an apocalyptic number.

2859939 is a deficient number, since it is larger than the sum of its proper divisors (1271097).

2859939 is a wasteful number, since it uses less digits than its factorization.

2859939 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 317777 (or 317774 counting only the distinct ones).

The product of its digits is 174960, while the sum is 45.

The square root of 2859939 is about 1691.1354174045. The cubic root of 2859939 is about 141.9446157087.

The spelling of 2859939 in words is "two million, eight hundred fifty-nine thousand, nine hundred thirty-nine".