663214 has 16 divisors (see below), whose sum is σ = 1082880. Its totient is φ = 303480.

The previous prime is 663209. The next prime is 663239. The reversal of 663214 is 412366.

It is a congruent number.

It is an unprimeable number.

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 7 ways as a sum of consecutive naturals, for example, 897 + ... + 1459.

It is an arithmetic number, because the mean of its divisors is an integer number (67680).

2⁶⁶³²¹⁴ is an apocalyptic number.

663214 is a deficient number, since it is larger than the sum of its proper divisors (419666).

663214 is a wasteful number, since it uses less digits than its factorization.

663214 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 615.

The product of its digits is 864, while the sum is 22.

The square root of 663214 is about 814.3795184065. The cubic root of 663214 is about 87.2069762676.

The spelling of 663214 in words is "six hundred sixty-three thousand, two hundred fourteen".