849504 has 24 divisors (see below), whose sum is σ = 2230200. Its totient is φ = 283136.

The previous prime is 849481. The next prime is 849523. The reversal of 849504 is 405948.

849504 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a tau number, because it is divible by the number of its divisors (24).

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 849504.

It is an unprimeable number.

849504 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 3 ways as a sum of consecutive naturals, for example, 4329 + ... + 4520.

It is an arithmetic number, because the mean of its divisors is an integer number (92925).

2⁸⁴⁹⁵⁰⁴ is an apocalyptic number.

It is an amenable number.

849504 is an abundant number, since it is smaller than the sum of its proper divisors (1380696).

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

849504 is a wasteful number, since it uses less digits than its factorization.

849504 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 8862 (or 8854 counting only the distinct ones).

The product of its (nonzero) digits is 5760, while the sum is 30.

The square root of 849504 is about 921.6854127087. The cubic root of 849504 is about 94.7083948376.

Subtracting from 849504 its reverse (405948), we obtain a square (443556 = 666²).

The spelling of 849504 in words is "eight hundred forty-nine thousand, five hundred four".