5723909 has 4 divisors (see below), whose sum is σ = 5733804. Its totient is φ = 5714016.

The previous prime is 5723899. The next prime is 5723999. The reversal of 5723909 is 9093275.

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 2102500 + 3621409 = 1450^2 + 1903^2 .

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-5723909 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 (5723999) 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, 4022 + ... + 5255.

It is an arithmetic number, because the mean of its divisors is an integer number (1433451).

Almost surely, 2^5723909 is an apocalyptic number.

It is an amenable number.

5723909 is a deficient number, since it is larger than the sum of its proper divisors (9895).

5723909 is an equidigital number, since it uses as much as digits as its factorization.

5723909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 9894.

The product of its (nonzero) digits is 17010, while the sum is 35.

The square root of 5723909 is about 2392.4692265524. The cubic root of 5723909 is about 178.8810107737.

The spelling of 5723909 in words is "five million, seven hundred twenty-three thousand, nine hundred nine".