1066906 has 4 divisors (see below), whose sum is σ = 1600362. Its totient is φ = 533452.

The previous prime is 1066889. The next prime is 1066909. The reversal of 1066906 is 6096601.

It is a happy number.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in only one way, i.e., 950625 + 116281 = 975^2 + 341^2 .

It is a super-2 number, since 2×1066906² = 2276576825672, which contains 22 as substring.

It is not an unprimeable number, because it can be changed into a prime (1066909) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266725 + ... + 266728.

2^1066906 is an apocalyptic number.

1066906 is a deficient number, since it is larger than the sum of its proper divisors (533456).

1066906 is an equidigital number, since it uses as much as digits as its factorization.

1066906 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 533455.

The product of its (nonzero) digits is 1944, while the sum is 28.

The square root of 1066906 is about 1032.9114192417. The cubic root of 1066906 is about 102.1822322223.

The spelling of 1066906 in words is "one million, sixty-six thousand, nine hundred six".