329873 has 2 divisors, whose sum is σ = 329874. Its totient is φ = 329872.

The previous prime is 329867. The next prime is 329891. The reversal of 329873 is 378923.

It is a weak prime.

It can be written as a sum of positive squares in only one way, i.e., 183184 + 146689 = 428^2 + 383^2 .

It is a cyclic number.

It is not a de Polignac number, because 329873 - 2⁸ = 329617 is a prime.

It is a super-2 number, since 2×329873² = 217632392258, which contains 22 as substring.

It is an Ulam number.

It is not a weakly prime, because it can be changed into another prime (329803) by changing a digit.

It is a polite number, since it can be written as a sum of consecutive naturals, namely, 164936 + 164937.

It is an arithmetic number, because the mean of its divisors is an integer number (164937).

2³²⁹⁸⁷³ is an apocalyptic number.

It is an amenable number.

329873 is a deficient number, since it is larger than the sum of its proper divisors (1).

329873 is an equidigital number, since it uses as much as digits as its factorization.

329873 is an evil number, because the sum of its binary digits is even.

The product of its digits is 9072, while the sum is 32.

The square root of 329873 is about 574.3457147050. The cubic root of 329873 is about 69.0953662763.

The spelling of 329873 in words is "three hundred twenty-nine thousand, eight hundred seventy-three".