163982 has 32 divisors (see below), whose sum is σ = 326592. Its totient is φ = 59904.
The previous prime is 163981. The next prime is 163987. The reversal of 163982 is 289361.
It is a Smith number, since the sum of its digits (29) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.
It is a congruent number.
It is not an unprimeable number, because it can be changed into a prime (163981) by changing a digit.
It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3068 + ... + 3120.
It is an arithmetic number, because the mean of its divisors is an integer number (10206).
2163982 is an apocalyptic number.
163982 is a deficient number, since it is larger than the sum of its proper divisors (162610).
163982 is a wasteful number, since it uses less digits than its factorization.
163982 is an evil number, because the sum of its binary digits is even.
The sum of its prime factors is 92.
The product of its digits is 2592, while the sum is 29.
The square root of 163982 is about 404.9469101006. The cubic root of 163982 is about 54.7350341002.
The spelling of 163982 in words is "one hundred sixty-three thousand, nine hundred eighty-two".
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