5780409 has 4 divisors (see below), whose sum is σ = 7707216. Its totient is φ = 3853604.

The previous prime is 5780393. The next prime is 5780417. The reversal of 5780409 is 9040875.

5780409 is digitally balanced in base 4, because in such base it contains all the possibile digits an equal number of times.

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 5780409 - 2⁴ = 5780393 is a prime.

It is a D-number.

It is a Curzon number.

5780409 is a lucky number.

It is a self number, because there is not a number n which added to its sum of digits gives 5780409.

It is not an unprimeable number, because it can be changed into a prime (5780419) 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, 963399 + ... + 963404.

It is an arithmetic number, because the mean of its divisors is an integer number (1926804).

Almost surely, 2^5780409 is an apocalyptic number.

It is an amenable number.

5780409 is a deficient number, since it is larger than the sum of its proper divisors (1926807).

5780409 is a wasteful number, since it uses less digits than its factorization.

5780409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1926806.

The product of its (nonzero) digits is 10080, while the sum is 33.

The square root of 5780409 is about 2404.2481153159. The cubic root of 5780409 is about 179.4676555549.

The spelling of 5780409 in words is "five million, seven hundred eighty thousand, four hundred nine".