849804 has 24 divisors (see below), whose sum is σ = 2069760. Its totient is φ = 270864.

The previous prime is 849773. The next prime is 849829. The reversal of 849804 is 408948.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1264 + ... + 1815.

It is an arithmetic number, because the mean of its divisors is an integer number (86240).

2⁸⁴⁹⁸⁰⁴ is an apocalyptic number.

It is an amenable number.

849804 is an abundant number, since it is smaller than the sum of its proper divisors (1219956).

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

849804 is a wasteful number, since it uses less digits than its factorization.

849804 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 3109 (or 3107 counting only the distinct ones).

The product of its (nonzero) digits is 9216, while the sum is 33.

The square root of 849804 is about 921.8481436766. The cubic root of 849804 is about 94.7195421952.

It can be divided in two parts, 849 and 804, that added together give a triangular number (1653 = T₅₇).

The spelling of 849804 in words is "eight hundred forty-nine thousand, eight hundred four".