2044539 has 48 divisors (see below), whose sum is σ = 3773952. Its totient is φ = 1039104.

The previous prime is 2044519. The next prime is 2044541. The reversal of 2044539 is 9354402.

2044539 is a `hidden beast` number, since 204 + 453 + 9 = 666.

It is not a de Polignac number, because 2044539 - 2⁵ = 2044507 is a prime.

2044539 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2044519) by changing a digit.

It is a polite number, since it can be written in 47 ways as a sum of consecutive naturals, for example, 24592 + ... + 24674.

It is an arithmetic number, because the mean of its divisors is an integer number (78624).

2^2044539 is an apocalyptic number.

2044539 is a deficient number, since it is larger than the sum of its proper divisors (1729413).

2044539 is a wasteful number, since it uses less digits than its factorization.

2044539 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 136 (or 133 counting only the distinct ones).

The product of its (nonzero) digits is 4320, while the sum is 27.

The square root of 2044539 is about 1429.8737706525. The cubic root of 2044539 is about 126.9205074284.

The spelling of 2044539 in words is "two million, forty-four thousand, five hundred thirty-nine".