2044557 has 12 divisors (see below), whose sum is σ = 2966080. Its totient is φ = 1357128.

The previous prime is 2044541. The next prime is 2044561. The reversal of 2044557 is 7554402.

2044557 is a `hidden beast` number, since 204 + 455 + 7 = 666.

It is not a de Polignac number, because 2044557 - 2⁴ = 2044541 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 2044557.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044507) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 2994 + ... + 3612.

2^2044557 is an apocalyptic number.

It is an amenable number.

2044557 is a deficient number, since it is larger than the sum of its proper divisors (921523).

2044557 is a wasteful number, since it uses less digits than its factorization.

2044557 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 992 (or 989 counting only the distinct ones).

The product of its (nonzero) digits is 5600, while the sum is 27.

The square root of 2044557 is about 1429.8800649005. The cubic root of 2044557 is about 126.9208798942.

Adding to 2044557 its reverse (7554402), we get a palindrome (9598959).

It can be divided in two parts, 20445 and 57, that added together give a palindrome (20502).

The spelling of 2044557 in words is "two million, forty-four thousand, five hundred fifty-seven".