1066306 has 8 divisors (see below), whose sum is σ = 1603980. Its totient is φ = 531648.

The previous prime is 1066297. The next prime is 1066313. The reversal of 1066306 is 6036601.

It can be written as a sum of positive squares in 2 ways, for example, as 855625 + 210681 = 925^2 + 459^2 .

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

It is a super-2 number, since 2×1066306² = 2274016971272, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 670 + ... + 1606.

2^1066306 is an apocalyptic number.

1066306 is a deficient number, since it is larger than the sum of its proper divisors (537674).

1066306 is an equidigital number, since it uses as much as digits as its factorization.

1066306 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1508.

The product of its (nonzero) digits is 648, while the sum is 22.

The square root of 1066306 is about 1032.6209372272. The cubic root of 1066306 is about 102.1630737598.

The spelling of 1066306 in words is "one million, sixty-six thousand, three hundred six".