663332 has 6 divisors (see below), whose sum is σ = 1160838. Its totient is φ = 331664.

The previous prime is 663331. The next prime is 663349. The reversal of 663332 is 233366.

It is a happy number.

It can be written as a sum of positive squares in only one way, i.e., 417316 + 246016 = 646^2 + 496^2 .

It is a nialpdrome in base 10.

It is a junction number, because it is equal to n+sod(n) for n = 663298 and 663307.

It is not an unprimeable number, because it can be changed into a prime (663331) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 82913 + ... + 82920.

It is an arithmetic number, because the mean of its divisors is an integer number (193473).

2⁶⁶³³³² is an apocalyptic number.

It is an amenable number.

663332 is a deficient number, since it is larger than the sum of its proper divisors (497506).

663332 is a wasteful number, since it uses less digits than its factorization.

663332 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 165837 (or 165835 counting only the distinct ones).

The product of its digits is 1944, while the sum is 23.

The square root of 663332 is about 814.4519629788. The cubic root of 663332 is about 87.2121479583.

Adding to 663332 its reverse (233366), we get a palindrome (896698).

It can be divided in two parts, 663 and 332, that multiplied together give a triangular number (220116 = T₆₆₃).

The spelling of 663332 in words is "six hundred sixty-three thousand, three hundred thirty-two".