2678706 has 12 divisors (see below), whose sum is σ = 5803902. Its totient is φ = 892896.

The previous prime is 2678699. The next prime is 2678719. The reversal of 2678706 is 6078762.

It can be written as a sum of positive squares in only one way, i.e., 2223081 + 455625 = 1491^2 + 675^2 .

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 74391 + ... + 74426.

2^2678706 is an apocalyptic number.

2678706 is an abundant number, since it is smaller than the sum of its proper divisors (3125196).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2678706 is a wasteful number, since it uses less digits than its factorization.

2678706 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 148825 (or 148822 counting only the distinct ones).

The product of its (nonzero) digits is 28224, while the sum is 36.

The square root of 2678706 is about 1636.6752885041. The cubic root of 2678706 is about 138.8806317817.

The spelling of 2678706 in words is "two million, six hundred seventy-eight thousand, seven hundred six".