5676809 has 4 divisors (see below), whose sum is σ = 5685120. Its totient is φ = 5668500.

The previous prime is 5676787. The next prime is 5676823. The reversal of 5676809 is 9086765.

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 5676809 - 2¹⁶ = 5611273 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (5676889) 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, 3029 + ... + 4530.

It is an arithmetic number, because the mean of its divisors is an integer number (1421280).

Almost surely, 2^5676809 is an apocalyptic number.

It is an amenable number.

5676809 is a deficient number, since it is larger than the sum of its proper divisors (8311).

5676809 is an equidigital number, since it uses as much as digits as its factorization.

5676809 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8310.

The product of its (nonzero) digits is 90720, while the sum is 41.

The square root of 5676809 is about 2382.6055065831. The cubic root of 5676809 is about 178.3890095081.

The spelling of 5676809 in words is "five million, six hundred seventy-six thousand, eight hundred nine".