2815266 has 16 divisors (see below), whose sum is σ = 5647104. Its totient is φ = 935664.

The previous prime is 2815259. The next prime is 2815271. The reversal of 2815266 is 6625182.

2815266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a Curzon 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, 3256 + ... + 4028.

It is an arithmetic number, because the mean of its divisors is an integer number (352944).

2^2815266 is an apocalyptic number.

2815266 is an abundant number, since it is smaller than the sum of its proper divisors (2831838).

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

2815266 is a wasteful number, since it uses less digits than its factorization.

2815266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1385.

The product of its digits is 5760, while the sum is 30.

The square root of 2815266 is about 1677.8754423377. The cubic root of 2815266 is about 141.2016630492.

It can be divided in two parts, 2815 and 266, that added together give a triangular number (3081 = T₇₈).

The spelling of 2815266 in words is "two million, eight hundred fifteen thousand, two hundred sixty-six".