5676409 has 4 divisors (see below), whose sum is σ = 5814900. Its totient is φ = 5537920.

The previous prime is 5676403. The next prime is 5676427. The reversal of 5676409 is 9046765.

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 2624400 + 3052009 = 1620^2 + 1747^2 .

It is a cyclic number.

It is not a de Polignac number, because 5676409 - 2³ = 5676401 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 (5676401) 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, 69184 + ... + 69265.

It is an arithmetic number, because the mean of its divisors is an integer number (1453725).

Almost surely, 2^5676409 is an apocalyptic number.

It is an amenable number.

5676409 is a deficient number, since it is larger than the sum of its proper divisors (138491).

5676409 is a wasteful number, since it uses less digits than its factorization.

5676409 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 138490.

The product of its (nonzero) digits is 45360, while the sum is 37.

The square root of 5676409 is about 2382.5215633862. The cubic root of 5676409 is about 178.3848195204.

The spelling of 5676409 in words is "five million, six hundred seventy-six thousand, four hundred nine".