663882 has 8 divisors (see below), whose sum is σ = 1327776. Its totient is φ = 221292.

The previous prime is 663881. The next prime is 663893. The reversal of 663882 is 288366.

It is a sphenic number, since it is the product of 3 distinct primes.

663882 is an admirable number.

It is an Ulam number.

It is not an unprimeable number, because it can be changed into a prime (663881) 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, 55318 + ... + 55329.

It is an arithmetic number, because the mean of its divisors is an integer number (165972).

2⁶⁶³⁸⁸² is an apocalyptic number.

663882 is a primitive abundant number, since it is smaller than the sum of its proper divisors, none of which is abundant.

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

663882 is a wasteful number, since it uses less digits than its factorization.

663882 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 110652.

The product of its digits is 13824, while the sum is 33.

The square root of 663882 is about 814.7895433791. The cubic root of 663882 is about 87.2362452079.

The spelling of 663882 in words is "six hundred sixty-three thousand, eight hundred eighty-two".