1065986 has 4 divisors (see below), whose sum is σ = 1598982. Its totient is φ = 532992.

The previous prime is 1065979. The next prime is 1066001. The reversal of 1065986 is 6895601.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 6895601 = 1931 ⋅3571.

It can be written as a sum of positive squares in only one way, i.e., 1062961 + 3025 = 1031^2 + 55^2 .

It is a super-2 number, since 2×1065986² = 2272652304392, which contains 22 as substring.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 266495 + ... + 266498.

2^1065986 is an apocalyptic number.

1065986 is a deficient number, since it is larger than the sum of its proper divisors (532996).

1065986 is an equidigital number, since it uses as much as digits as its factorization.

1065986 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 532995.

The product of its (nonzero) digits is 12960, while the sum is 35.

The square root of 1065986 is about 1032.4659800691. The cubic root of 1065986 is about 102.1528529743.

The spelling of 1065986 in words is "one million, sixty-five thousand, nine hundred eighty-six".