329999105 has 4 divisors (see below), whose sum is σ = 395998932. Its totient is φ = 263999280.

The previous prime is 329999099. The next prime is 329999107. The reversal of 329999105 is 501999923.

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

It can be written as a sum of positive squares in 2 ways, for example, as 228372544 + 101626561 = 15112^2 + 10081^2 .

It is not a de Polignac number, because 329999105 - 2²⁰ = 328950529 is a prime.

It is a Duffinian number.

It is a self number, because there is not a number n which added to its sum of digits gives 329999105.

It is not an unprimeable number, because it can be changed into a prime (329999107) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (13) of ones.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 32999906 + ... + 32999915.

It is an arithmetic number, because the mean of its divisors is an integer number (98999733).

Almost surely, 2^329999105 is an apocalyptic number.

It is an amenable number.

329999105 is a deficient number, since it is larger than the sum of its proper divisors (65999827).

329999105 is an equidigital number, since it uses as much as digits as its factorization.

329999105 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 65999826.

The product of its (nonzero) digits is 196830, while the sum is 47.

The square root of 329999105 is about 18165.8774905040. The cubic root of 329999105 is about 691.0416982704.

The spelling of 329999105 in words is "three hundred twenty-nine million, nine hundred ninety-nine thousand, one hundred five".