329863 has 2 divisors, whose sum is σ = 329864. Its totient is φ = 329862.

The previous prime is 329803. The next prime is 329867. The reversal of 329863 is 368923.

It is a happy number.

It is a strong prime.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-329863 is a prime.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (329867) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (7) of ones.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164931 + 164932.

It is an arithmetic number, because the mean of its divisors is an integer number (164932).

2³²⁹⁸⁶³ is an apocalyptic number.

329863 is a deficient number, since it is larger than the sum of its proper divisors (1).

329863 is an equidigital number, since it uses as much as digits as its factorization.

329863 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 7776, while the sum is 31.

The square root of 329863 is about 574.3370090809. The cubic root of 329863 is about 69.0946680675.

Subtracting 329863 from its reverse (368923), we obtain a triangular number (39060 = T₂₇₉).

The spelling of 329863 in words is "three hundred twenty-nine thousand, eight hundred sixty-three".