1166343 has 4 divisors (see below), whose sum is σ = 1555128. Its totient is φ = 777560.

The previous prime is 1166329. The next prime is 1166359. The reversal of 1166343 is 3436611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3436611 = 3 ⋅1145537.

It is a cyclic number.

It is not a de Polignac number, because 1166343 - 2⁵ = 1166311 is a prime.

It is a D-number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166323) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 194388 + ... + 194393.

It is an arithmetic number, because the mean of its divisors is an integer number (388782).

2^1166343 is an apocalyptic number.

1166343 is a deficient number, since it is larger than the sum of its proper divisors (388785).

1166343 is an equidigital number, since it uses as much as digits as its factorization.

1166343 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 388784.

The product of its digits is 1296, while the sum is 24.

The square root of 1166343 is about 1079.9736107887. The cubic root of 1166343 is about 105.2629238460.

The spelling of 1166343 in words is "one million, one hundred sixty-six thousand, three hundred forty-three".