2191083 has 8 divisors (see below), whose sum is σ = 2971200. Its totient is φ = 1435848.

The previous prime is 2191069. The next prime is 2191087. The reversal of 2191083 is 3801912.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 2191083 - 2⁴ = 2191067 is a prime.

It is not an unprimeable number, because it can be changed into a prime (2191087) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 6013 + ... + 6366.

It is an arithmetic number, because the mean of its divisors is an integer number (371400).

2^2191083 is an apocalyptic number.

2191083 is a deficient number, since it is larger than the sum of its proper divisors (780117).

2191083 is a wasteful number, since it uses less digits than its factorization.

2191083 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12441.

The product of its (nonzero) digits is 432, while the sum is 24.

The square root of 2191083 is about 1480.2307252587. The cubic root of 2191083 is about 129.8831889569.

Adding to 2191083 its reverse (3801912), we get a palindrome (5992995).

The spelling of 2191083 in words is "two million, one hundred ninety-one thousand, eighty-three".