663350 has 12 divisors (see below), whose sum is σ = 1233924. Its totient is φ = 265320.

The previous prime is 663349. The next prime is 663359. The reversal of 663350 is 53366.

It is a Curzon number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (663359) 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 5 ways as a sum of consecutive naturals, for example, 6584 + ... + 6683.

It is an arithmetic number, because the mean of its divisors is an integer number (102827).

2⁶⁶³³⁵⁰ is an apocalyptic number.

663350 is a deficient number, since it is larger than the sum of its proper divisors (570574).

663350 is a wasteful number, since it uses less digits than its factorization.

663350 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 13279 (or 13274 counting only the distinct ones).

The product of its (nonzero) digits is 1620, while the sum is 23.

The square root of 663350 is about 814.4630132793. The cubic root of 663350 is about 87.2129368063.

The spelling of 663350 in words is "six hundred sixty-three thousand, three hundred fifty".