328829 has 2 divisors, whose sum is σ = 328830. Its totient is φ = 328828.

The previous prime is 328813. The next prime is 328837. The reversal of 328829 is 928823.

It is a happy number.

It is a strong prime.

It can be written as a sum of positive squares in only one way, i.e., 319225 + 9604 = 565^2 + 98^2 .

It is a cyclic number.

It is not a de Polignac number, because 328829 - 2⁴ = 328813 is a prime.

It is a super-2 number, since 2×328829² = 216257022482, which contains 22 as substring.

It is a Sophie Germain prime.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 328795 and 328804.

It is a congruent number.

It is not a weakly prime, because it can be changed into another prime (328849) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164414 + 164415.

It is an arithmetic number, because the mean of its divisors is an integer number (164415).

2³²⁸⁸²⁹ is an apocalyptic number.

It is an amenable number.

328829 is a deficient number, since it is larger than the sum of its proper divisors (1).

328829 is an equidigital number, since it uses as much as digits as its factorization.

328829 is an odious number, because the sum of its binary digits is odd.

The product of its digits is 6912, while the sum is 32.

The square root of 328829 is about 573.4361341946. The cubic root of 328829 is about 69.0223969861.

The spelling of 328829 in words is "three hundred twenty-eight thousand, eight hundred twenty-nine".