2011793 has 6 divisors (see below), whose sum is σ = 2340306. Its totient is φ = 1724352.

The previous prime is 2011769. The next prime is 2011799. The reversal of 2011793 is 3971102.

It can be written as a sum of positive squares in only one way, i.e., 1317904 + 693889 = 1148^2 + 833^2 .

It is not a de Polignac number, because 2011793 - 2¹² = 2007697 is a prime.

It is a super-2 number, since 2×2011793² = 8094622149698, which contains 22 as substring.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (2011799) 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 5 ways as a sum of consecutive naturals, for example, 20480 + ... + 20577.

It is an arithmetic number, because the mean of its divisors is an integer number (390051).

2^2011793 is an apocalyptic number.

It is an amenable number.

2011793 is a deficient number, since it is larger than the sum of its proper divisors (328513).

2011793 is an equidigital number, since it uses as much as digits as its factorization.

2011793 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 41071 (or 41064 counting only the distinct ones).

The product of its (nonzero) digits is 378, while the sum is 23.

The square root of 2011793 is about 1418.3768892646. The cubic root of 2011793 is about 126.2392573286.

Adding to 2011793 its reverse (3971102), we get a palindrome (5982895).

The spelling of 2011793 in words is "two million, eleven thousand, seven hundred ninety-three".