813369 has 8 divisors (see below), whose sum is σ = 1092960. Its totient is φ = 538016.

The previous prime is 813367. The next prime is 813377. The reversal of 813369 is 963318.

813369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

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

It is a cyclic number.

It is not a de Polignac number, because 813369 - 2¹ = 813367 is a prime.

It is a super-2 number, since 2×813369² = 1323138260322, which contains 22 as substring.

It is a Curzon number.

It is not an unprimeable number, because it can be changed into a prime (813361) 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, 579 + ... + 1400.

It is an arithmetic number, because the mean of its divisors is an integer number (136620).

2⁸¹³³⁶⁹ is an apocalyptic number.

It is an amenable number.

813369 is a deficient number, since it is larger than the sum of its proper divisors (279591).

813369 is a wasteful number, since it uses less digits than its factorization.

813369 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 2119.

The product of its digits is 3888, while the sum is 30.

The square root of 813369 is about 901.8697245168. The cubic root of 813369 is about 93.3460342693.

The spelling of 813369 in words is "eight hundred thirteen thousand, three hundred sixty-nine".