1768266 has 24 divisors (see below), whose sum is σ = 3858660. Its totient is φ = 585216.

The previous prime is 1768253. The next prime is 1768303. The reversal of 1768266 is 6628671.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 1766241 + 2025 = 1329^2 + 45^2 .

It is a self number, because there is not a number n which added to its sum of digits gives 1768266.

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, 3220 + ... + 3728.

2^1768266 is an apocalyptic number.

1768266 is an abundant number, since it is smaller than the sum of its proper divisors (2090394).

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

1768266 is a wasteful number, since it uses less digits than its factorization.

1768266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 710 (or 707 counting only the distinct ones).

The product of its digits is 24192, while the sum is 36.

The square root of 1768266 is about 1329.7616327748. The cubic root of 1768266 is about 120.9249357979.

The spelling of 1768266 in words is "one million, seven hundred sixty-eight thousand, two hundred sixty-six".