2566208 has 28 divisors (see below), whose sum is σ = 5155692. Its totient is φ = 1267200.

The previous prime is 2566199. The next prime is 2566219. The reversal of 2566208 is 8026652.

It can be written as a sum of positive squares in 2 ways, for example, as 2166784 + 399424 = 1472^2 + 632^2 .

It is an Ulam number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6266 + ... + 6662.

2^2566208 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 2566208, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2577846).

2566208 is an abundant number, since it is smaller than the sum of its proper divisors (2589484).

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

2566208 is a wasteful number, since it uses less digits than its factorization.

2566208 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 510 (or 500 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 29.

The square root of 2566208 is about 1601.9388252989. The cubic root of 2566208 is about 136.9085649147.

The spelling of 2566208 in words is "two million, five hundred sixty-six thousand, two hundred eight".