4050439 has 4 divisors (see below), whose sum is σ = 4263640. Its totient is φ = 3837240.

The previous prime is 4050433. The next prime is 4050451. The reversal of 4050439 is 9340504.

It is a semiprime because it is the product of two primes.

It is not a de Polignac number, because 4050439 - 2⁷ = 4050311 is a prime.

It is a d-powerful number, because it can be written as 4¹⁰ + 0 + 5⁹ + 0 + 4¹⁰ + 3⁴ + 9² .

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050433) 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 3 ways as a sum of consecutive naturals, for example, 106572 + ... + 106609.

It is an arithmetic number, because the mean of its divisors is an integer number (1065910).

Almost surely, 2^4050439 is an apocalyptic number.

4050439 is a deficient number, since it is larger than the sum of its proper divisors (213201).

4050439 is a wasteful number, since it uses less digits than its factorization.

4050439 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 213200.

The product of its (nonzero) digits is 2160, while the sum is 25.

The square root of 4050439 is about 2012.5702472212. The cubic root of 4050439 is about 159.4045445164.

It can be divided in two parts, 4050 and 439, that added together give a square (4489 = 67²).

The spelling of 4050439 in words is "four million, fifty thousand, four hundred thirty-nine".