2044420 has 48 divisors (see below), whose sum is σ = 5201280. Its totient is φ = 658944.

The previous prime is 2044411. The next prime is 2044421. The reversal of 2044420 is 244402.

It is a junction number, because it is equal to n+sod(n) for n = 2044394 and 2044403.

It is not an unprimeable number, because it can be changed into a prime (2044421) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 1951 + ... + 2809.

It is an arithmetic number, because the mean of its divisors is an integer number (108360).

2^2044420 is an apocalyptic number.

2044420 is a gapful number since it is divisible by the number (20) formed by its first and last digit.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 2044420, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (2600640).

2044420 is an abundant number, since it is smaller than the sum of its proper divisors (3156860).

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

2044420 is a wasteful number, since it uses less digits than its factorization.

2044420 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 892 (or 890 counting only the distinct ones).

The product of its (nonzero) digits is 256, while the sum is 16.

The square root of 2044420 is about 1429.8321579822. The cubic root of 2044420 is about 126.9180449607.

Adding to 2044420 its reverse (244402), we get a palindrome (2288822).

It can be divided in two parts, 204 and 4420, that added together give a square (4624 = 68²).

The spelling of 2044420 in words is "two million, forty-four thousand, four hundred twenty".