2768266 has 8 divisors (see below), whose sum is σ = 4264740. Its totient is φ = 1346688.

The previous prime is 2768261. The next prime is 2768267. The reversal of 2768266 is 6628672.

2768266 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in 2 ways, for example, as 2739025 + 29241 = 1655^2 + 171^2 .

It is a sphenic number, since it is the product of 3 distinct primes.

It is a Harshad number since it is a multiple of its sum of digits (37).

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (2768261) by changing a digit.

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 3 ways as a sum of consecutive naturals, for example, 18631 + ... + 18778.

2^2768266 is an apocalyptic number.

2768266 is a deficient number, since it is larger than the sum of its proper divisors (1496474).

2768266 is a wasteful number, since it uses less digits than its factorization.

2768266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 37448.

The product of its digits is 48384, while the sum is 37.

The square root of 2768266 is about 1663.8106863463. The cubic root of 2768266 is about 140.4114765120.

The spelling of 2768266 in words is "two million, seven hundred sixty-eight thousand, two hundred sixty-six".