809413 has 4 divisors (see below), whose sum is σ = 883008. Its totient is φ = 735820.

The previous prime is 809407. The next prime is 809423. The reversal of 809413 is 314908.

809413 is digitally balanced in base 2, 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 809413 - 2¹⁷ = 678341 is a prime.

It is a Duffinian number.

It is a plaindrome in base 13.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (809423) 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, 36781 + ... + 36802.

It is an arithmetic number, because the mean of its divisors is an integer number (220752).

2⁸⁰⁹⁴¹³ is an apocalyptic number.

It is an amenable number.

809413 is a deficient number, since it is larger than the sum of its proper divisors (73595).

809413 is a wasteful number, since it uses less digits than its factorization.

809413 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 73594.

The product of its (nonzero) digits is 864, while the sum is 25.

The square root of 809413 is about 899.6738297850. The cubic root of 809413 is about 93.1944518915.

The spelling of 809413 in words is "eight hundred nine thousand, four hundred thirteen".