2859679 has 4 divisors (see below), whose sum is σ = 2863584. Its totient is φ = 2855776.

The previous prime is 2859677. The next prime is 2859697. The reversal of 2859679 is 9769582.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 9769582 = 2 ⋅4884791.

It is a cyclic number.

It is not a de Polignac number, because 2859679 - 2¹ = 2859677 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2859673) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 487 + ... + 2440.

It is an arithmetic number, because the mean of its divisors is an integer number (715896).

2^2859679 is an apocalyptic number.

2859679 is a deficient number, since it is larger than the sum of its proper divisors (3905).

2859679 is an equidigital number, since it uses as much as digits as its factorization.

2859679 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 3904.

The product of its digits is 272160, while the sum is 46.

The square root of 2859679 is about 1691.0585442261. The cubic root of 2859679 is about 141.9403141346.

Subtracting 2859679 from its reverse (9769582), we obtain a triangular number (6909903 = T₃₇₁₇).

The spelling of 2859679 in words is "two million, eight hundred fifty-nine thousand, six hundred seventy-nine".