849216 has 28 divisors (see below), whose sum is σ = 2247392. Its totient is φ = 283008.

The previous prime is 849203. The next prime is 849217. The reversal of 849216 is 612948.

849216 is nontrivially palindromic in base 11.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849217) by changing a digit.

849216 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, 2020 + ... + 2403.

It is an arithmetic number, because the mean of its divisors is an integer number (80264).

2⁸⁴⁹²¹⁶ is an apocalyptic number.

It is an amenable number.

849216 is an abundant number, since it is smaller than the sum of its proper divisors (1398176).

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

849216 is a wasteful number, since it uses less digits than its factorization.

849216 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 4438 (or 4428 counting only the distinct ones).

The product of its digits is 3456, while the sum is 30.

The square root of 849216 is about 921.5291639444. The cubic root of 849216 is about 94.6976909050.

The spelling of 849216 in words is "eight hundred forty-nine thousand, two hundred sixteen".