329644016 has 20 divisors (see below), whose sum is σ = 687815352. Its totient is φ = 152143296.

The previous prime is 329643997. The next prime is 329644019. The reversal of 329644016 is 610446923.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329644019) 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, 792206 + ... + 792621.

Almost surely, 2^329644016 is an apocalyptic number.

It is an amenable number.

329644016 is an abundant number, since it is smaller than the sum of its proper divisors (358171336).

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

329644016 is a wasteful number, since it uses less digits than its factorization.

329644016 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1584848 (or 1584842 counting only the distinct ones).

The product of its (nonzero) digits is 31104, while the sum is 35.

The square root of 329644016 is about 18156.1013436255. The cubic root of 329644016 is about 690.7937487385.

The spelling of 329644016 in words is "three hundred twenty-nine million, six hundred forty-four thousand, sixteen".