329386901 has 6 divisors (see below), whose sum is σ = 341137602. Its totient is φ = 318027920.

The previous prime is 329386867. The next prime is 329386909. The reversal of 329386901 is 109683923.

It can be written as a sum of positive squares in 3 ways, for example, as 74218225 + 255168676 = 8615^2 + 15974^2 .

It is a de Polignac number, because none of the positive numbers 2^k-329386901 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329386909) 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 5 ways as a sum of consecutive naturals, for example, 194990 + ... + 196671.

It is an arithmetic number, because the mean of its divisors is an integer number (56856267).

Almost surely, 2^329386901 is an apocalyptic number.

It is an amenable number.

329386901 is a deficient number, since it is larger than the sum of its proper divisors (11750701).

329386901 is an equidigital number, since it uses as much as digits as its factorization.

329386901 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 391719 (or 391690 counting only the distinct ones).

The product of its (nonzero) digits is 69984, while the sum is 41.

The square root of 329386901 is about 18149.0192847988. The cubic root of 329386901 is about 690.6141007705.

The spelling of 329386901 in words is "three hundred twenty-nine million, three hundred eighty-six thousand, nine hundred one".