663294 has 16 divisors (see below), whose sum is σ = 1335168. Its totient is φ = 219672.

The previous prime is 663283. The next prime is 663301. The reversal of 663294 is 492366.

It is a congruent number.

It is an inconsummate number, since it does not exist a number n which divided by its sum of digits gives 663294.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1119 + ... + 1605.

It is an arithmetic number, because the mean of its divisors is an integer number (83448).

2⁶⁶³²⁹⁴ is an apocalyptic number.

663294 is an abundant number, since it is smaller than the sum of its proper divisors (671874).

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

663294 is a wasteful number, since it uses less digits than its factorization.

663294 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 719.

The product of its digits is 7776, while the sum is 30.

The square root of 663294 is about 814.4286340742. The cubic root of 663294 is about 87.2104825655.

The spelling of 663294 in words is "six hundred sixty-three thousand, two hundred ninety-four".