4039109 has 4 divisors (see below), whose sum is σ = 4050720. Its totient is φ = 4027500.

The previous prime is 4039097. The next prime is 4039111. The reversal of 4039109 is 9019304.

It is a happy number.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 4039109 - 2⁴ = 4039093 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (4039169) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 5267 + ... + 5984.

It is an arithmetic number, because the mean of its divisors is an integer number (1012680).

Almost surely, 2^4039109 is an apocalyptic number.

It is an amenable number.

4039109 is a deficient number, since it is larger than the sum of its proper divisors (11611).

4039109 is a wasteful number, since it uses less digits than its factorization.

4039109 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 11610.

The product of its (nonzero) digits is 972, while the sum is 26.

The square root of 4039109 is about 2009.7534674681. The cubic root of 4039109 is about 159.2557754494.

The spelling of 4039109 in words is "four million, thirty-nine thousand, one hundred nine".