329663 has 2 divisors, whose sum is σ = 329664. Its totient is φ = 329662.

The previous prime is 329657. The next prime is 329671. The reversal of 329663 is 366923.

It is a weak prime.

It is an emirp because it is prime and its reverse (366923) is a distict prime.

It is a cyclic number.

It is not a de Polignac number, because 329663 - 2¹⁰ = 328639 is a prime.

It is a Sophie Germain prime.

It is an Ulam number.

It is a d-powerful number, because it can be written as 3³ + 2⁷ + 6⁶ + 9³ + 6⁷ + 3⁷ .

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329603) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164831 + 164832.

It is an arithmetic number, because the mean of its divisors is an integer number (164832).

2³²⁹⁶⁶³ is an apocalyptic number.

329663 is a deficient number, since it is larger than the sum of its proper divisors (1).

329663 is an equidigital number, since it uses as much as digits as its factorization.

329663 is an evil number, because the sum of its binary digits is even.

The product of its digits is 5832, while the sum is 29.

The square root of 329663 is about 574.1628688796. The cubic root of 329663 is about 69.0807009282.

The spelling of 329663 in words is "three hundred twenty-nine thousand, six hundred sixty-three".