809368 has 32 divisors (see below), whose sum is σ = 1764000. Its totient is φ = 340992.

The previous prime is 809359. The next prime is 809377. The reversal of 809368 is 863908.

It is an interprime number because it is at equal distance from previous prime (809359) and next prime (809377).

It is a congruent number.

It is an unprimeable number.

809368 is an untouchable number, because it is not equal to the sum of proper divisors of any number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5358 + ... + 5506.

It is an arithmetic number, because the mean of its divisors is an integer number (55125).

2⁸⁰⁹³⁶⁸ is an apocalyptic number.

It is an amenable number.

It is a practical number, because each smaller number is the sum of distinct divisors of 809368, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (882000).

809368 is an abundant number, since it is smaller than the sum of its proper divisors (954632).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

809368 is a wasteful number, since it uses less digits than its factorization.

809368 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 259 (or 255 counting only the distinct ones).

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 809368 is about 899.6488203738. The cubic root of 809368 is about 93.1927247847.

The spelling of 809368 in words is "eight hundred nine thousand, three hundred sixty-eight".