329447380 has 24 divisors (see below), whose sum is σ = 700600320. Its totient is φ = 130110240.

The previous prime is 329447357. The next prime is 329447407. The reversal of 329447380 is 83744923.

It is a hoax number, since the sum of its digits (40) coincides with the sum of the digits of its distinct prime factors.

It is a congruent number.

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, 102676 + ... + 105835.

It is an arithmetic number, because the mean of its divisors is an integer number (29191680).

Almost surely, 2^329447380 is an apocalyptic number.

It is an amenable number.

329447380 is an abundant number, since it is smaller than the sum of its proper divisors (371152940).

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

329447380 is a wasteful number, since it uses less digits than its factorization.

329447380 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 208599 (or 208597 counting only the distinct ones).

The product of its (nonzero) digits is 145152, while the sum is 40.

The square root of 329447380 is about 18150.6853865081. The cubic root of 329447380 is about 690.6563662583.

The spelling of 329447380 in words is "three hundred twenty-nine million, four hundred forty-seven thousand, three hundred eighty".