813368 has 16 divisors (see below), whose sum is σ = 1534680. Its totient is φ = 404128.

The previous prime is 813367. The next prime is 813377. The reversal of 813368 is 863318.

It is a self number, because there is not a number n which added to its sum of digits gives 813368.

It is a congruent 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 3 ways as a sum of consecutive naturals, for example, 2171 + ... + 2517.

2⁸¹³³⁶⁸ is an apocalyptic number.

It is an amenable number.

813368 is a deficient number, since it is larger than the sum of its proper divisors (721312).

813368 is a wasteful number, since it uses less digits than its factorization.

813368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 646 (or 642 counting only the distinct ones).

The product of its digits is 3456, while the sum is 29.

The square root of 813368 is about 901.8691701128. The cubic root of 813368 is about 93.3459960144.

The spelling of 813368 in words is "eight hundred thirteen thousand, three hundred sixty-eight".