1166983 has 4 divisors (see below), whose sum is σ = 1195488. Its totient is φ = 1138480.

The previous prime is 1166969. The next prime is 1166987. The reversal of 1166983 is 3896611.

It is a semiprime because it is the product of two primes, and also an emirpimes, since its reverse is a distinct semiprime: 3896611 = 167 ⋅23333.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-1166983 is a prime.

It is a Duffinian number.

1166983 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (1166987) 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, 14191 + ... + 14272.

It is an arithmetic number, because the mean of its divisors is an integer number (298872).

2^1166983 is an apocalyptic number.

1166983 is a deficient number, since it is larger than the sum of its proper divisors (28505).

1166983 is an equidigital number, since it uses as much as digits as its factorization.

1166983 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28504.

The product of its digits is 7776, while the sum is 34.

The square root of 1166983 is about 1080.2698736890. The cubic root of 1166983 is about 105.2821737444.

The spelling of 1166983 in words is "one million, one hundred sixty-six thousand, nine hundred eighty-three".