1166393 has 2 divisors, whose sum is σ = 1166394. Its totient is φ = 1166392.

The previous prime is 1166383. The next prime is 1166401. The reversal of 1166393 is 3936611.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 984064 + 182329 = 992^2 + 427^2 .

It is a cyclic number.

It is not a de Polignac number, because 1166393 - 2⁶ = 1166329 is a prime.

It is a Sophie Germain prime.

It is a Chen prime.

It is a Curzon number.

It is not a weakly prime, because it can be changed into another prime (1166323) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 583196 + 583197.

It is an arithmetic number, because the mean of its divisors is an integer number (583197).

2^1166393 is an apocalyptic number.

It is an amenable number.

1166393 is a deficient number, since it is larger than the sum of its proper divisors (1).

1166393 is an equidigital number, since it uses as much as digits as its factorization.

1166393 is an evil number, because the sum of its binary digits is even.

The product of its digits is 2916, while the sum is 29.

The square root of 1166393 is about 1079.9967592544. The cubic root of 1166393 is about 105.2644279978.

The spelling of 1166393 in words is "one million, one hundred sixty-six thousand, three hundred ninety-three".