808369 has 2 divisors, whose sum is σ = 808370. Its totient is φ = 808368.

The previous prime is 808363. The next prime is 808373. The reversal of 808369 is 963808.

808369 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 471969 + 336400 = 687^2 + 580^2 .

It is a cyclic number.

It is not a de Polignac number, because 808369 - 2³ = 808361 is a prime.

It is a super-2 number, since 2×808369² = 1306920880322, which contains 22 as substring.

It is not a weakly prime, because it can be changed into another prime (808361) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 404184 + 404185.

It is an arithmetic number, because the mean of its divisors is an integer number (404185).

2⁸⁰⁸³⁶⁹ is an apocalyptic number.

It is an amenable number.

808369 is a deficient number, since it is larger than the sum of its proper divisors (1).

808369 is an equidigital number, since it uses as much as digits as its factorization.

808369 is an evil number, because the sum of its binary digits is even.

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

The square root of 808369 is about 899.0934322972. The cubic root of 808369 is about 93.1543665173.

The spelling of 808369 in words is "eight hundred eight thousand, three hundred sixty-nine".