4031039 has 4 divisors (see below), whose sum is σ = 4140024. Its totient is φ = 3922056.

The previous prime is 4030993. The next prime is 4031047. The reversal of 4031039 is 9301304.

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

It is a cyclic number.

It is not a de Polignac number, because 4031039 - 2⁸ = 4030783 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 4031039.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4031089) 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, 54437 + ... + 54510.

It is an arithmetic number, because the mean of its divisors is an integer number (1035006).

Almost surely, 2^4031039 is an apocalyptic number.

4031039 is a deficient number, since it is larger than the sum of its proper divisors (108985).

4031039 is a wasteful number, since it uses less digits than its factorization.

4031039 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 108984.

The product of its (nonzero) digits is 324, while the sum is 20.

The square root of 4031039 is about 2007.7447546937. The cubic root of 4031039 is about 159.1496422252.

The spelling of 4031039 in words is "four million, thirty-one thousand, thirty-nine".