329108641 has 4 divisors (see below), whose sum is σ = 335318292. Its totient is φ = 322898992.

The previous prime is 329108629. The next prime is 329108651. The reversal of 329108641 is 146801923.

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 215473041 + 113635600 = 14679^2 + 10660^2 .

It is a cyclic number.

It is not a de Polignac number, because 329108641 - 2⁵ = 329108609 is a prime.

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 329108597 and 329108606.

It is not an unprimeable number, because it can be changed into a prime (329108651) 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, 3104746 + ... + 3104851.

It is an arithmetic number, because the mean of its divisors is an integer number (83829573).

Almost surely, 2^329108641 is an apocalyptic number.

It is an amenable number.

329108641 is a deficient number, since it is larger than the sum of its proper divisors (6209651).

329108641 is an equidigital number, since it uses as much as digits as its factorization.

329108641 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 6209650.

The product of its (nonzero) digits is 10368, while the sum is 34.

The square root of 329108641 is about 18141.3516861341. The cubic root of 329108641 is about 690.4195732827.

The spelling of 329108641 in words is "three hundred twenty-nine million, one hundred eight thousand, six hundred forty-one".