4050039 has 8 divisors (see below), whose sum is σ = 6171520. Its totient is φ = 2314296.

The previous prime is 4050031. The next prime is 4050049. The reversal of 4050039 is 9300504.

It is a sphenic number, since it is the product of 3 distinct primes.

It is not a de Polignac number, because 4050039 - 2³ = 4050031 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (21), and also a Moran number because the ratio is a prime number: 192859 = 4050039 / (4 + 0 + 5 + 0 + 0 + 3 + 9).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 4049997 and 4050024.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4050031) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 96409 + ... + 96450.

It is an arithmetic number, because the mean of its divisors is an integer number (771440).

Almost surely, 2^4050039 is an apocalyptic number.

4050039 is a deficient number, since it is larger than the sum of its proper divisors (2121481).

4050039 is a wasteful number, since it uses less digits than its factorization.

4050039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 192869.

The product of its (nonzero) digits is 540, while the sum is 21.

The square root of 4050039 is about 2012.4708693544. The cubic root of 4050039 is about 159.3992970262.

The spelling of 4050039 in words is "four million, fifty thousand, thirty-nine".