663364 has 12 divisors (see below), whose sum is σ = 1250284. Its totient is φ = 306144.

The previous prime is 663359. The next prime is 663371. The reversal of 663364 is 463366.

It can be written as a sum of positive squares in 2 ways, for example, as 230400 + 432964 = 480^2 + 658^2 .

It is a hoax number, since the sum of its digits (28) coincides with the sum of the digits of its distinct prime factors.

It is an unprimeable number.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 6327 + ... + 6430.

2⁶⁶³³⁶⁴ is an apocalyptic number.

It is an amenable number.

663364 is a deficient number, since it is larger than the sum of its proper divisors (586920).

663364 is a wasteful number, since it uses less digits than its factorization.

663364 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 12774 (or 12772 counting only the distinct ones).

The product of its digits is 7776, while the sum is 28.

The square root of 663364 is about 814.4716078538. The cubic root of 663364 is about 87.2135503449.

The spelling of 663364 in words is "six hundred sixty-three thousand, three hundred sixty-four".