2706859 has 4 divisors (see below), whose sum is σ = 2866104. Its totient is φ = 2547616.

The previous prime is 2706857. The next prime is 2706923. The reversal of 2706859 is 9586072.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 2706859 - 2¹ = 2706857 is a prime.

It is a super-3 number, since 3×2706859³ = 59500163172971393337, which contains 333 as substring.

It is a d-powerful number, because it can be written as 2⁷ + 7 + 0 + 6 + 8⁷ + 5⁷ + 9⁶ .

It is a Duffinian number.

2706859 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (2706857) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 79597 + ... + 79630.

It is an arithmetic number, because the mean of its divisors is an integer number (716526).

2^2706859 is an apocalyptic number.

2706859 is a deficient number, since it is larger than the sum of its proper divisors (159245).

2706859 is a wasteful number, since it uses less digits than its factorization.

2706859 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 159244.

The product of its (nonzero) digits is 30240, while the sum is 37.

The square root of 2706859 is about 1645.2534759118. The cubic root of 2706859 is about 139.3654788485.

The spelling of 2706859 in words is "two million, seven hundred six thousand, eight hundred fifty-nine".