1066630 has 8 divisors (see below), whose sum is σ = 1919952. Its totient is φ = 426648.

The previous prime is 1066621. The next prime is 1066643. The reversal of 1066630 is 366601.

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

It is a super-2 number, since 2×1066630² = 2275399113800, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

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 3 ways as a sum of consecutive naturals, for example, 53322 + ... + 53341.

It is an arithmetic number, because the mean of its divisors is an integer number (239994).

2^1066630 is an apocalyptic number.

1066630 is a gapful number since it is divisible by the number (10) formed by its first and last digit.

1066630 is a deficient number, since it is larger than the sum of its proper divisors (853322).

1066630 is a wasteful number, since it uses less digits than its factorization.

1066630 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 106670.

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

The square root of 1066630 is about 1032.7778076624. Note that the first 3 decimals coincide. The cubic root of 1066630 is about 102.1734202219.

The spelling of 1066630 in words is "one million, sixty-six thousand, six hundred thirty".