329399 has 4 divisors (see below), whose sum is σ = 376464. Its totient is φ = 282336.

The previous prime is 329393. The next prime is 329401. The reversal of 329399 is 993923.

It is a semiprime because it is the product of two primes.

It is a cyclic number.

It is not a de Polignac number, because 329399 - 2⁸ = 329143 is a prime.

It is a Duffinian number.

It is a plaindrome in base 15.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329393) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 23522 + ... + 23535.

It is an arithmetic number, because the mean of its divisors is an integer number (94116).

2³²⁹³⁹⁹ is an apocalyptic number.

329399 is a deficient number, since it is larger than the sum of its proper divisors (47065).

329399 is an equidigital number, since it uses as much as digits as its factorization.

329399 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 47064.

The product of its digits is 13122, while the sum is 35.

The square root of 329399 is about 573.9329229100. The cubic root of 329399 is about 69.0622556518.

The spelling of 329399 in words is "three hundred twenty-nine thousand, three hundred ninety-nine".