849808 has 10 divisors (see below), whose sum is σ = 1646534. Its totient is φ = 424896.

The previous prime is 849773. The next prime is 849829. The reversal of 849808 is 808948.

It can be written as a sum of positive squares in only one way, i.e., 725904 + 123904 = 852^2 + 352^2 .

It is a plaindrome in base 15.

It is a zygodrome in base 15.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 26541 + ... + 26572.

2⁸⁴⁹⁸⁰⁸ is an apocalyptic number.

It is an amenable number.

849808 is a deficient number, since it is larger than the sum of its proper divisors (796726).

849808 is a wasteful number, since it uses less digits than its factorization.

849808 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 53121 (or 53115 counting only the distinct ones).

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

The square root of 849808 is about 921.8503132288. The cubic root of 849808 is about 94.7196908089.

The spelling of 849808 in words is "eight hundred forty-nine thousand, eight hundred eight".