2678284 has 24 divisors (see below), whose sum is σ = 5489568. Its totient is φ = 1119360.

The previous prime is 2678251. The next prime is 2678311. The reversal of 2678284 is 4828762.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 19 + ... + 2314.

It is an arithmetic number, because the mean of its divisors is an integer number (228732).

2^2678284 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2678284, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2744784).

2678284 is an abundant number, since it is smaller than the sum of its proper divisors (2811284).

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

2678284 is a wasteful number, since it uses less digits than its factorization.

2678284 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2385 (or 2383 counting only the distinct ones).

The product of its digits is 43008, while the sum is 37.

The square root of 2678284 is about 1636.5463635351. The cubic root of 2678284 is about 138.8733383716.

The spelling of 2678284 in words is "two million, six hundred seventy-eight thousand, two hundred eighty-four".