2678286 has 16 divisors (see below), whose sum is σ = 5768784. Its totient is φ = 824064.

The previous prime is 2678251. The next prime is 2678311. The reversal of 2678286 is 6828762.

2678286 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a super-3 number, since 3×2678286³ = 57635771142133372968, which contains 333 as substring.

It is a Harshad number since it is a multiple of its sum of digits (39).

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 17091 + ... + 17246.

It is an arithmetic number, because the mean of its divisors is an integer number (360549).

2^2678286 is an apocalyptic number.

2678286 is a gapful number since it is divisible by the number (26) formed by its first and last digit.

2678286 is an abundant number, since it is smaller than the sum of its proper divisors (3090498).

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

2678286 is a wasteful number, since it uses less digits than its factorization.

2678286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34355.

The product of its digits is 64512, while the sum is 39.

The square root of 2678286 is about 1636.5469745779. The cubic root of 2678286 is about 138.8733729393.

The spelling of 2678286 in words is "two million, six hundred seventy-eight thousand, two hundred eighty-six".