2011798 has 16 divisors (see below), whose sum is σ = 3128400. Its totient is φ = 969696.

The previous prime is 2011769. The next prime is 2011799. The reversal of 2011798 is 8971102.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2011799) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 12736 + ... + 12892.

It is an arithmetic number, because the mean of its divisors is an integer number (195525).

2^2011798 is an apocalyptic number.

2011798 is a deficient number, since it is larger than the sum of its proper divisors (1116602).

2011798 is a wasteful number, since it uses less digits than its factorization.

2011798 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 351.

The product of its (nonzero) digits is 1008, while the sum is 28.

The square root of 2011798 is about 1418.3786518416. The cubic root of 2011798 is about 126.2393619112.

It can be divided in two parts, 2011 and 798, that added together give a square (2809 = 53²).

The spelling of 2011798 in words is "two million, eleven thousand, seven hundred ninety-eight".