329506530 has 16 divisors (see below), whose sum is σ = 790815744. Its totient is φ = 87868400.

The previous prime is 329506523. The next prime is 329506547. The reversal of 329506530 is 35605923.

It is a junction number, because it is equal to n+sod(n) for n = 329506491 and 329506500.

It is an unprimeable number.

It is a pernicious number, because its binary representation contains a prime number (17) of ones.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 5491746 + ... + 5491805.

It is an arithmetic number, because the mean of its divisors is an integer number (49425984).

Almost surely, 2^329506530 is an apocalyptic number.

329506530 is a gapful number since it is divisible by the number (30) formed by its first and last digit.

329506530 is an abundant number, since it is smaller than the sum of its proper divisors (461309214).

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

329506530 is a wasteful number, since it uses less digits than its factorization.

329506530 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10983561.

The product of its (nonzero) digits is 24300, while the sum is 33.

The square root of 329506530 is about 18152.3147284306. The cubic root of 329506530 is about 690.6976979771.

The spelling of 329506530 in words is "three hundred twenty-nine million, five hundred six thousand, five hundred thirty".