1066684 has 6 divisors (see below), whose sum is σ = 1866704. Its totient is φ = 533340.

The previous prime is 1066669. The next prime is 1066687. The reversal of 1066684 is 4866601.

It is a super-2 number, since 2×1066684² = 2275629511712, which contains 22 as substring.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066687) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 133332 + ... + 133339.

2^1066684 is an apocalyptic number.

It is an amenable number.

1066684 is a deficient number, since it is larger than the sum of its proper divisors (800020).

1066684 is a wasteful number, since it uses less digits than its factorization.

1066684 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 266675 (or 266673 counting only the distinct ones).

The product of its (nonzero) digits is 6912, while the sum is 31.

The square root of 1066684 is about 1032.8039504185. The cubic root of 1066684 is about 102.1751444285.

The spelling of 1066684 in words is "one million, sixty-six thousand, six hundred eighty-four".