5780909 has 8 divisors (see below), whose sum is σ = 5942328. Its totient is φ = 5621760.

The previous prime is 5780893. The next prime is 5780923. The reversal of 5780909 is 9090875.

It can be written as a sum of positive squares in 4 ways, for example, as 605284 + 5175625 = 778^2 + 2275^2 .

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

It is not a de Polignac number, because 5780909 - 2⁴ = 5780893 is a prime.

It is an Ulam number.

It is a Duffinian number.

5780909 is a modest number, since divided by 909 gives 578 as remainder.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (5780939) 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, 5429 + ... + 6405.

It is an arithmetic number, because the mean of its divisors is an integer number (742791).

Almost surely, 2^5780909 is an apocalyptic number.

It is an amenable number.

5780909 is a deficient number, since it is larger than the sum of its proper divisors (161419).

5780909 is an equidigital number, since it uses as much as digits as its factorization.

5780909 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1135.

The product of its (nonzero) digits is 22680, while the sum is 38.

The square root of 5780909 is about 2404.3520956798. The cubic root of 5780909 is about 179.4728300007.

The spelling of 5780909 in words is "five million, seven hundred eighty thousand, nine hundred nine".