329684401 has 4 divisors (see below), whose sum is σ = 330276852. Its totient is φ = 329091952.

The previous prime is 329684363. The next prime is 329684413. The reversal of 329684401 is 104486923.

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 16394401 + 313290000 = 4049^2 + 17700^2 .

It is a cyclic number.

It is not a de Polignac number, because 329684401 - 2¹³ = 329676209 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329684431) 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, 295390 + ... + 296503.

It is an arithmetic number, because the mean of its divisors is an integer number (82569213).

Almost surely, 2^329684401 is an apocalyptic number.

It is an amenable number.

329684401 is a deficient number, since it is larger than the sum of its proper divisors (592451).

329684401 is an equidigital number, since it uses as much as digits as its factorization.

329684401 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 592450.

The product of its (nonzero) digits is 41472, while the sum is 37.

The square root of 329684401 is about 18157.2134701336. The cubic root of 329684401 is about 690.8219575183.

The spelling of 329684401 in words is "three hundred twenty-nine million, six hundred eighty-four thousand, four hundred one".