168849 has 12 divisors (see below), whose sum is σ = 248196. Its totient is φ = 110592.

The previous prime is 168803. The next prime is 168851. The reversal of 168849 is 948861.

It is a happy number.

It can be written as a sum of positive squares in 2 ways, for example, as 140625 + 28224 = 375^2 + 168^2 .

It is a de Polignac number, because none of the positive numbers 2^k-168849 is a prime.

168849 is a lucky number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (168869) by changing a digit.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 529 + ... + 785.

It is an arithmetic number, because the mean of its divisors is an integer number (20683).

2¹⁶⁸⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

168849 is a deficient number, since it is larger than the sum of its proper divisors (79347).

168849 is a wasteful number, since it uses less digits than its factorization.

168849 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 336 (or 333 counting only the distinct ones).

The product of its digits is 13824, while the sum is 36.

The square root of 168849 is about 410.9123994235. The cubic root of 168849 is about 55.2712768594.

The spelling of 168849 in words is "one hundred sixty-eight thousand, eight hundred forty-nine".