329349380 has 24 divisors (see below), whose sum is σ = 696615360. Its totient is φ = 130790880.

The previous prime is 329349373. The next prime is 329349407. The reversal of 329349380 is 83943923.

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, 56456 + ... + 62015.

It is an arithmetic number, because the mean of its divisors is an integer number (29025640).

Almost surely, 2^329349380 is an apocalyptic number.

It is an amenable number.

329349380 is an abundant number, since it is smaller than the sum of its proper divisors (367265980).

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

329349380 is a wasteful number, since it uses less digits than its factorization.

329349380 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 118619 (or 118617 counting only the distinct ones).

The product of its (nonzero) digits is 139968, while the sum is 41.

The square root of 329349380 is about 18147.9855631417. The cubic root of 329349380 is about 690.5878767813.

The spelling of 329349380 in words is "three hundred twenty-nine million, three hundred forty-nine thousand, three hundred eighty".