663282 has 32 divisors (see below), whose sum is σ = 1503360. Its totient is φ = 216720.

The previous prime is 663281. The next prime is 663283. The reversal of 663282 is 282366.

It is an interprime number because it is at equal distance from previous prime (663281) and next prime (663283).

It is a Harshad number since it is a multiple of its sum of digits (27).

It is not an unprimeable number, because it can be changed into a prime (663281) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 3748 + ... + 3920.

It is an arithmetic number, because the mean of its divisors is an integer number (46980).

2⁶⁶³²⁸² is an apocalyptic number.

It is a practical number, because each smaller number is the sum of distinct divisors of 663282, and also a Zumkeller number, because its divisors can be partitioned in two sets with the same sum (751680).

663282 is an abundant number, since it is smaller than the sum of its proper divisors (840078).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

663282 is a wasteful number, since it uses less digits than its factorization.

663282 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 255 (or 249 counting only the distinct ones).

The product of its digits is 3456, while the sum is 27.

The square root of 663282 is about 814.4212669129. The cubic root of 663282 is about 87.2099566388.

It can be divided in two parts, 663 and 282, that multiplied together give a triangular number (186966 = T₆₁₁).

The spelling of 663282 in words is "six hundred sixty-three thousand, two hundred eighty-two".