2041812 has 36 divisors (see below), whose sum is σ = 5285280. Its totient is φ = 664272.

The previous prime is 2041811. The next prime is 2041817. The reversal of 2041812 is 2181402.

It is a tau number, because it is divible by the number of its divisors (36).

It is a Harshad number since it is a multiple of its sum of digits (18).

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2041811) 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 11 ways as a sum of consecutive naturals, for example, 889 + ... + 2207.

2^2041812 is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2041812, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2642640).

2041812 is an abundant number, since it is smaller than the sum of its proper divisors (3243468).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

2041812 is a wasteful number, since it uses less digits than its factorization.

2041812 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 1372 (or 1367 counting only the distinct ones).

The product of its (nonzero) digits is 128, while the sum is 18.

The square root of 2041812 is about 1428.9198717913. The cubic root of 2041812 is about 126.8640535906.

It can be divided in two parts, 204 and 1812, that added together give a triangular number (2016 = T₆₃).

The spelling of 2041812 in words is "two million, forty-one thousand, eight hundred twelve".