1066266 has 24 divisors (see below), whose sum is σ = 2374164. Its totient is φ = 345600.

The previous prime is 1066253. The next prime is 1066267. The reversal of 1066266 is 6626601.

It can be written as a sum of positive squares in 2 ways, for example, as 731025 + 335241 = 855^2 + 579^2 .

It is a super-2 number, since 2×1066266² = 2273846365512, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066267) by changing a digit.

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 11 ways as a sum of consecutive naturals, for example, 135 + ... + 1466.

2^1066266 is an apocalyptic number.

1066266 is an abundant number, since it is smaller than the sum of its proper divisors (1307898).

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

1066266 is a wasteful number, since it uses less digits than its factorization.

1066266 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1646 (or 1643 counting only the distinct ones).

The product of its (nonzero) digits is 2592, while the sum is 27.

The square root of 1066266 is about 1032.6015688541. The cubic root of 1066266 is about 102.1617962734.

The spelling of 1066266 in words is "one million, sixty-six thousand, two hundred sixty-six".