2049944 has 32 divisors (see below), whose sum is σ = 4324320. Its totient is φ = 903936.

The previous prime is 2049941. The next prime is 2049953. The reversal of 2049944 is 4499402.

It is a self number, because there is not a number n which added to its sum of digits gives 2049944.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2049941) 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, 1964 + ... + 2820.

It is an arithmetic number, because the mean of its divisors is an integer number (135135).

2^2049944 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 2049944, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2162160).

2049944 is an abundant number, since it is smaller than the sum of its proper divisors (2274376).

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

2049944 is a wasteful number, since it uses less digits than its factorization.

2049944 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 899 (or 895 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 32.

The square root of 2049944 is about 1431.7625501458. The cubic root of 2049944 is about 127.0322525397.

The spelling of 2049944 in words is "two million, forty-nine thousand, nine hundred forty-four".