2102044 has 24 divisors (see below), whose sum is σ = 4319840. Its totient is φ = 876096.

The previous prime is 2102021. The next prime is 2102057. The reversal of 2102044 is 4402012.

It is a congruent number.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 22 + ... + 2050.

2^2102044 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 2102044, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2159920).

2102044 is an abundant number, since it is smaller than the sum of its proper divisors (2217796).

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

2102044 is a wasteful number, since it uses less digits than its factorization.

2102044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2077 (or 2075 counting only the distinct ones).

The product of its (nonzero) digits is 64, while the sum is 13.

The square root of 2102044 is about 1449.8427500940. The cubic root of 2102044 is about 128.0994507057.

Adding to 2102044 its reverse (4402012), we get a palindrome (6504056).

Subtracting 2102044 from its reverse (4402012), we obtain a cube (2299968 = 132³).

The spelling of 2102044 in words is "two million, one hundred two thousand, forty-four".