2054439 has 24 divisors (see below), whose sum is σ = 3116880. Its totient is φ = 1302912.

The previous prime is 2054369. The next prime is 2054443. The reversal of 2054439 is 9344502.

It is not a de Polignac number, because 2054439 - 2⁹ = 2053927 is a prime.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (2054449) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 23 ways as a sum of consecutive naturals, for example, 28107 + ... + 28179.

It is an arithmetic number, because the mean of its divisors is an integer number (129870).

2^2054439 is an apocalyptic number.

2054439 is a deficient number, since it is larger than the sum of its proper divisors (1062441).

2054439 is a wasteful number, since it uses less digits than its factorization.

2054439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 191 (or 188 counting only the distinct ones).

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

The square root of 2054439 is about 1433.3314341073. The cubic root of 2054439 is about 127.1250344439.

The spelling of 2054439 in words is "two million, fifty-four thousand, four hundred thirty-nine".