849812 has 6 divisors (see below), whose sum is σ = 1487178. Its totient is φ = 424904.

The previous prime is 849773. The next prime is 849829. The reversal of 849812 is 218948.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 749956 + 99856 = 866^2 + 316^2 .

It is a congruent number.

It is an unprimeable number.

849812 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 as a sum of consecutive naturals, namely, 106223 + ... + 106230.

It is an arithmetic number, because the mean of its divisors is an integer number (247863).

2⁸⁴⁹⁸¹² is an apocalyptic number.

It is an amenable number.

849812 is a deficient number, since it is larger than the sum of its proper divisors (637366).

849812 is a wasteful number, since it uses less digits than its factorization.

849812 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 212457 (or 212455 counting only the distinct ones).

The product of its digits is 4608, while the sum is 32.

The square root of 849812 is about 921.8524827759. The cubic root of 849812 is about 94.7198394221.

It can be divided in two parts, 849 and 812, that added together give a palindrome (1661).

The spelling of 849812 in words is "eight hundred forty-nine thousand, eight hundred twelve".