329099689 has 8 divisors (see below), whose sum is σ = 339939072. Its totient is φ = 318274320.

The previous prime is 329099681. The next prime is 329099747. The reversal of 329099689 is 986990923.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329099689 - 2³ = 329099681 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329099681) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 67167 + ... + 71899.

It is an arithmetic number, because the mean of its divisors is an integer number (42492384).

Almost surely, 2^329099689 is an apocalyptic number.

It is an amenable number.

329099689 is a deficient number, since it is larger than the sum of its proper divisors (10839383).

329099689 is a wasteful number, since it uses less digits than its factorization.

329099689 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 7007.

The product of its (nonzero) digits is 1889568, while the sum is 55.

The square root of 329099689 is about 18141.1049553218. The cubic root of 329099689 is about 690.4133132505.

The spelling of 329099689 in words is "three hundred twenty-nine million, ninety-nine thousand, six hundred eighty-nine".