1066493 has 4 divisors (see below), whose sum is σ = 1100928. Its totient is φ = 1032060.

The previous prime is 1066447. The next prime is 1066511. The reversal of 1066493 is 3946601.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4, and also an emirpimes, since its reverse is a distinct semiprime: 3946601 = 17 ⋅232153.

It is a cyclic number.

It is not a de Polignac number, because 1066493 - 2⁸ = 1066237 is a prime.

It is a super-2 number, since 2×1066493² = 2274814638098, which contains 22 as substring.

It is an Ulam number.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1066423) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 17171 + ... + 17232.

It is an arithmetic number, because the mean of its divisors is an integer number (275232).

2^1066493 is an apocalyptic number.

It is an amenable number.

1066493 is a deficient number, since it is larger than the sum of its proper divisors (34435).

1066493 is an equidigital number, since it uses as much as digits as its factorization.

1066493 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 34434.

The product of its (nonzero) digits is 3888, while the sum is 29.

The square root of 1066493 is about 1032.7114795527. The cubic root of 1066493 is about 102.1690455846.

The spelling of 1066493 in words is "one million, sixty-six thousand, four hundred ninety-three".