329620847 has 8 divisors (see below), whose sum is σ = 332782800. Its totient is φ = 326470464.

The previous prime is 329620807. The next prime is 329620849. The reversal of 329620847 is 748026923.

It is a happy number.

It is a sphenic number, since it is the product of 3 distinct primes.

It is a cyclic number.

It is not a de Polignac number, because 329620847 - 2⁶ = 329620783 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329620849) by changing a digit.

It is a polite number, since it can be written in 7 ways as a sum of consecutive naturals, for example, 60929 + ... + 66117.

It is an arithmetic number, because the mean of its divisors is an integer number (41597850).

Almost surely, 2^329620847 is an apocalyptic number.

329620847 is a deficient number, since it is larger than the sum of its proper divisors (3161953).

329620847 is a wasteful number, since it uses less digits than its factorization.

329620847 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 5785.

The product of its (nonzero) digits is 145152, while the sum is 41.

The square root of 329620847 is about 18155.4632824393. The cubic root of 329620847 is about 690.7775642338. Note that the first 3 decimals are identical.

The spelling of 329620847 in words is "three hundred twenty-nine million, six hundred twenty thousand, eight hundred forty-seven".