2044620 has 72 divisors (see below), whose sum is σ = 6390384. Its totient is φ = 528768.

The previous prime is 2044577. The next prime is 2044621. The reversal of 2044620 is 264402.

2044620 is a `hidden beast` number, since 2 + 0 + 44 + 620 = 666.

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

It is a junction number, because it is equal to n+sod(n) for n = 2044593 and 2044602.

It is not an unprimeable number, because it can be changed into a prime (2044621) by changing a digit.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 6507 + ... + 6813.

2^2044620 is an apocalyptic number.

2044620 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 2044620, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (3195192).

2044620 is an abundant number, since it is smaller than the sum of its proper divisors (4345764).

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

2044620 is a wasteful number, since it uses less digits than its factorization.

2044620 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 359 (or 354 counting only the distinct ones).

The product of its (nonzero) digits is 384, while the sum is 18.

The square root of 2044620 is about 1429.9020945505. The cubic root of 2044620 is about 126.9221835072.

The spelling of 2044620 in words is "two million, forty-four thousand, six hundred twenty".