1066600 has 24 divisors (see below), whose sum is σ = 2480310. Its totient is φ = 426560.

The previous prime is 1066577. The next prime is 1066619. The reversal of 1066600 is 66601.

It is a happy number.

It can be written as a sum of positive squares in 3 ways, for example, as 1036324 + 30276 = 1018^2 + 174^2 .

It is a super-2 number, since 2×1066600² = 2275271120000, which contains 22 as substring.

It is an unprimeable number.

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 5 ways as a sum of consecutive naturals, for example, 2467 + ... + 2866.

2^1066600 is an apocalyptic number.

1066600 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

It is an amenable number.

1066600 is an abundant number, since it is smaller than the sum of its proper divisors (1413710).

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

1066600 is a wasteful number, since it uses less digits than its factorization.

1066600 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 5349 (or 5340 counting only the distinct ones).

The product of its (nonzero) digits is 216, while the sum is 19.

The square root of 1066600 is about 1032.7632836231. The cubic root of 1066600 is about 102.1724623041.

Subtracting from 1066600 its reverse (66601), we obtain a palindrome (999999).

The spelling of 1066600 in words is "one million, sixty-six thousand, six hundred".