63982 has 4 divisors (see below), whose sum is σ = 95976. Its totient is φ = 31990.

The previous prime is 63977. The next prime is 63997. The reversal of 63982 is 28936.

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

It is a self number, because there is not a number n which added to its sum of digits gives 63982.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 15994 + ... + 15997.

It is an arithmetic number, because the mean of its divisors is an integer number (23994).

2⁶³⁹⁸² is an apocalyptic number.

63982 is a deficient number, since it is larger than the sum of its proper divisors (31994).

63982 is a wasteful number, since it uses less digits than its factorization.

63982 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 31993.

The product of its digits is 2592, while the sum is 28.

The square root of 63982 is about 252.9466346880. The cubic root of 63982 is about 39.9962496484.

It can be divided in two parts, 6398 and 2, that added together give a square (6400 = 80²).

The spelling of 63982 in words is "sixty-three thousand, nine hundred eighty-two".