82849 has 4 divisors (see below), whose sum is σ = 89236. Its totient is φ = 76464.

The previous prime is 82847. The next prime is 82883. The reversal of 82849 is 94828.

It is a semiprime because it is the product of two primes.

It can be written as a sum of positive squares in 2 ways, for example, as 40000 + 42849 = 200^2 + 207^2 .

It is a cyclic number.

It is not a de Polignac number, because 82849 - 2¹ = 82847 is a prime.

It is a Duffinian number.

It is a plaindrome in base 14.

It is a self number, because there is not a number n which added to its sum of digits gives 82849.

It is not an unprimeable number, because it can be changed into a prime (82847) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 3174 + ... + 3199.

It is an arithmetic number, because the mean of its divisors is an integer number (22309).

2⁸²⁸⁴⁹ is an apocalyptic number.

It is an amenable number.

82849 is a deficient number, since it is larger than the sum of its proper divisors (6387).

82849 is a wasteful number, since it uses less digits than its factorization.

82849 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6386.

The product of its digits is 4608, while the sum is 31.

The square root of 82849 is about 287.8350221915. The cubic root of 82849 is about 43.5942379390.

The spelling of 82849 in words is "eighty-two thousand, eight hundred forty-nine".