663324 has 24 divisors (see below), whose sum is σ = 1561728. Its totient is φ = 219120.

The previous prime is 663319. The next prime is 663331. The reversal of 663324 is 423366.

663324 is digitally balanced in base 2, because in such base it contains all the possibile digits an equal number of times.

It is a nude number because it is divisible by every one of its digits.

It is a d-powerful number, because it can be written as 6 + 6⁶ + 3⁹ + 3¹² + 2 + 4⁸ .

It is a junction number, because it is equal to n+sod(n) for n = 663294 and 663303.

It is a congruent number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 1839 + ... + 2169.

It is an arithmetic number, because the mean of its divisors is an integer number (65072).

2⁶⁶³³²⁴ is an apocalyptic number.

It is an amenable number.

663324 is an abundant number, since it is smaller than the sum of its proper divisors (898404).

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

663324 is a wasteful number, since it uses less digits than its factorization.

663324 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 505 (or 503 counting only the distinct ones).

The product of its digits is 2592, while the sum is 24.

The square root of 663324 is about 814.4470516860. The cubic root of 663324 is about 87.2117973546.

The spelling of 663324 in words is "six hundred sixty-three thousand, three hundred twenty-four".