2864286 has 24 divisors (see below), whose sum is σ = 6242184. Its totient is φ = 949200.

The previous prime is 2864261. The next prime is 2864291. The reversal of 2864286 is 6824682.

2864286 is a `hidden beast` number, since 2 + 8 + 642 + 8 + 6 = 666.

It is a self number, because there is not a number n which added to its sum of digits gives 2864286.

It is a congruent number.

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 11 ways as a sum of consecutive naturals, for example, 3736 + ... + 4436.

It is an arithmetic number, because the mean of its divisors is an integer number (260091).

2^2864286 is an apocalyptic number.

2864286 is an abundant number, since it is smaller than the sum of its proper divisors (3377898).

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

2864286 is a wasteful number, since it uses less digits than its factorization.

2864286 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 936 (or 933 counting only the distinct ones).

The product of its digits is 36864, while the sum is 36.

The square root of 2864286 is about 1692.4201605984. The cubic root of 2864286 is about 142.0164961329.

The spelling of 2864286 in words is "two million, eight hundred sixty-four thousand, two hundred eighty-six".