1066693 has 2 divisors, whose sum is σ = 1066694. Its totient is φ = 1066692.

The previous prime is 1066687. The next prime is 1066721. The reversal of 1066693 is 3966601.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 1046529 + 20164 = 1023^2 + 142^2 .

It is a cyclic number.

It is not a de Polignac number, because 1066693 - 2¹⁷ = 935621 is a prime.

It is a super-2 number, since 2×1066693² = 2275667912498, which contains 22 as substring.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (1066643) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 533346 + 533347.

It is an arithmetic number, because the mean of its divisors is an integer number (533347).

2^1066693 is an apocalyptic number.

It is an amenable number.

1066693 is a deficient number, since it is larger than the sum of its proper divisors (1).

1066693 is an equidigital number, since it uses as much as digits as its factorization.

1066693 is an evil number, because the sum of its binary digits is even.

The product of its (nonzero) digits is 5832, while the sum is 31.

The square root of 1066693 is about 1032.8083074801. The cubic root of 1066693 is about 102.1754317906.

The spelling of 1066693 in words is "one million, sixty-six thousand, six hundred ninety-three".