329130018 has 24 divisors (see below), whose sum is σ = 814988928. Its totient is φ = 94037112.

The previous prime is 329130017. The next prime is 329130031. The reversal of 329130018 is 810031923.

It is a Curzon number.

It is a junction number, because it is equal to n+sod(n) for n = 329129973 and 329130000.

It is not an unprimeable number, because it can be changed into a prime (329130017) by changing a digit.

It is a pernicious number, because its binary representation contains a prime number (11) of ones.

It is a polite number, since it can be written in 11 ways as a sum of consecutive naturals, for example, 1305946 + ... + 1306197.

It is an arithmetic number, because the mean of its divisors is an integer number (33957872).

Almost surely, 2^329130018 is an apocalyptic number.

329130018 is an abundant number, since it is smaller than the sum of its proper divisors (485858910).

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

329130018 is a wasteful number, since it uses less digits than its factorization.

329130018 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 2612158 (or 2612155 counting only the distinct ones).

The product of its (nonzero) digits is 1296, while the sum is 27.

The square root of 329130018 is about 18141.9408553771. The cubic root of 329130018 is about 690.4345215175.

The spelling of 329130018 in words is "three hundred twenty-nine million, one hundred thirty thousand, eighteen".