849166 has 8 divisors (see below), whose sum is σ = 1297944. Its totient is φ = 416520.

The previous prime is 849161. The next prime is 849179. The reversal of 849166 is 661948.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (849161) by changing a digit.

849166 is an untouchable number, because it is not equal to the sum of proper divisors of any 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 in 3 ways as a sum of consecutive naturals, for example, 3900 + ... + 4111.

It is an arithmetic number, because the mean of its divisors is an integer number (162243).

2⁸⁴⁹¹⁶⁶ is an apocalyptic number.

849166 is a deficient number, since it is larger than the sum of its proper divisors (448778).

849166 is a wasteful number, since it uses less digits than its factorization.

849166 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 8066.

The product of its digits is 10368, while the sum is 34.

The square root of 849166 is about 921.5020347237. The cubic root of 849166 is about 94.6958323369.

The spelling of 849166 in words is "eight hundred forty-nine thousand, one hundred sixty-six".