808849 has 4 divisors (see below), whose sum is σ = 851440. Its totient is φ = 766260.

The previous prime is 808837. The next prime is 808853. The reversal of 808849 is 948808.

808849 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 808849 - 2⁷ = 808721 is a prime.

It is a Duffinian number.

808849 is a lucky number.

It is not an unprimeable number, because it can be changed into a prime (808349) 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, 21267 + ... + 21304.

It is an arithmetic number, because the mean of its divisors is an integer number (212860).

2⁸⁰⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

808849 is a deficient number, since it is larger than the sum of its proper divisors (42591).

808849 is a wasteful number, since it uses less digits than its factorization.

808849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 42590.

The product of its (nonzero) digits is 18432, while the sum is 37.

The square root of 808849 is about 899.3603282334. The cubic root of 808849 is about 93.1728008580.

The spelling of 808849 in words is "eight hundred eight thousand, eight hundred forty-nine".