2539044 has 18 divisors (see below), whose sum is σ = 6418230. Its totient is φ = 846336.

The previous prime is 2538983. The next prime is 2539049. The reversal of 2539044 is 4409352.

2539044 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It can be written as a sum of positive squares in only one way, i.e., 2214144 + 324900 = 1488^2 + 570^2 .

It is a tau number, because it is divible by the number of its divisors (18).

It is a junction number, because it is equal to n+sod(n) for n = 2538999 and 2539017.

It is not an unprimeable number, because it can be changed into a prime (2539049) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 5 ways as a sum of consecutive naturals, for example, 35229 + ... + 35300.

2^2539044 is an apocalyptic number.

It is an amenable number.

2539044 is an abundant number, since it is smaller than the sum of its proper divisors (3879186).

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

2539044 is a wasteful number, since it uses less digits than its factorization.

2539044 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 70539 (or 70534 counting only the distinct ones).

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

The square root of 2539044 is about 1593.4377929496. The cubic root of 2539044 is about 136.4237790461.

The spelling of 2539044 in words is "two million, five hundred thirty-nine thousand, forty-four".