2091093 has 8 divisors (see below), whose sum is σ = 2804256. Its totient is φ = 1386000.

The previous prime is 2091053. The next prime is 2091097. The reversal of 2091093 is 3901902.

It is a happy number.

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

It is not a de Polignac number, because 2091093 - 2¹⁰ = 2090069 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2091097) 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, 1383 + ... + 2468.

It is an arithmetic number, because the mean of its divisors is an integer number (350532).

2^2091093 is an apocalyptic number.

It is an amenable number.

2091093 is a deficient number, since it is larger than the sum of its proper divisors (713163).

2091093 is a wasteful number, since it uses less digits than its factorization.

2091093 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4035.

The product of its (nonzero) digits is 486, while the sum is 24.

The square root of 2091093 is about 1446.0612020243. The cubic root of 2091093 is about 127.8766104224.

Adding to 2091093 its reverse (3901902), we get a palindrome (5992995).

The spelling of 2091093 in words is "two million, ninety-one thousand, ninety-three".