329939994 has 16 divisors (see below), whose sum is σ = 662764320. Its totient is φ = 109499280.

The previous prime is 329939969. The next prime is 329940001. The reversal of 329939994 is 499939923.

It is a Curzon number.

It is an unprimeable number.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 118692 + ... + 121439.

It is an arithmetic number, because the mean of its divisors is an integer number (41422770).

Almost surely, 2^329939994 is an apocalyptic number.

329939994 is an abundant number, since it is smaller than the sum of its proper divisors (332824326).

It is a pseudoperfect number, because it is the sum of a subset of its proper divisors.

329939994 is a wasteful number, since it uses less digits than its factorization.

329939994 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 240365.

The product of its digits is 4251528, while the sum is 57.

The square root of 329939994 is about 18164.2504387051. The cubic root of 329939994 is about 691.0004349210. Note that the first 3 decimals are identical.

The spelling of 329939994 in words is "three hundred twenty-nine million, nine hundred thirty-nine thousand, nine hundred ninety-four".