1066386 has 16 divisors (see below), whose sum is σ = 2145024. Its totient is φ = 353424.

The previous prime is 1066379. The next prime is 1066399. The reversal of 1066386 is 6836601.

It is a super-2 number, since 2×1066386² = 2274358201992, 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 7 ways as a sum of consecutive naturals, for example, 940 + ... + 1736.

It is an arithmetic number, because the mean of its divisors is an integer number (134064).

2^1066386 is an apocalyptic number.

1066386 is an abundant number, since it is smaller than the sum of its proper divisors (1078638).

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

1066386 is a wasteful number, since it uses less digits than its factorization.

1066386 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1025.

The product of its (nonzero) digits is 5184, while the sum is 30.

The square root of 1066386 is about 1032.6596728836. The cubic root of 1066386 is about 102.1656286366.

The spelling of 1066386 in words is "one million, sixty-six thousand, three hundred eighty-six".