199682 has 16 divisors (see below), whose sum is σ = 362880. Its totient is φ = 80448.

The previous prime is 199679. The next prime is 199687. The reversal of 199682 is 286991.

199682 = 15⁴ + 16⁴ + 17⁴.

199682 is digitally balanced in base 3, because in such base it contains all the possibile digits an equal number of times.

It is a super-2 number, since 2×199682² = 79745802248, which contains 22 as substring.

It is an Ulam number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (199687) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (5) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 182 + ... + 657.

It is an arithmetic number, because the mean of its divisors is an integer number (22680).

2¹⁹⁹⁶⁸² is an apocalyptic number.

199682 is a deficient number, since it is larger than the sum of its proper divisors (163198).

199682 is a wasteful number, since it uses less digits than its factorization.

199682 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 865.

The product of its digits is 7776, while the sum is 35.

The square root of 199682 is about 446.8579192540. The cubic root of 199682 is about 58.4493437346.

The spelling of 199682 in words is "one hundred ninety-nine thousand, six hundred eighty-two".