4103909 has 4 divisors (see below), whose sum is σ = 4122060. Its totient is φ = 4085760.

The previous prime is 4103903. The next prime is 4103923. The reversal of 4103909 is 9093014.

It is a happy number.

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

It can be written as a sum of positive squares in 2 ways, for example, as 1747684 + 2356225 = 1322^2 + 1535^2 .

It is a cyclic number.

It is not a de Polignac number, because 4103909 - 2⁴ = 4103893 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 (4103903) 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, 8732 + ... + 9189.

It is an arithmetic number, because the mean of its divisors is an integer number (1030515).

Almost surely, 2^4103909 is an apocalyptic number.

It is an amenable number.

4103909 is a deficient number, since it is larger than the sum of its proper divisors (18151).

4103909 is a wasteful number, since it uses less digits than its factorization.

4103909 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 18150.

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

The square root of 4103909 is about 2025.8107019166. The cubic root of 4103909 is about 160.1029155591.

The spelling of 4103909 in words is "four million, one hundred three thousand, nine hundred nine".