329311961 has 8 divisors (see below), whose sum is σ = 359380800. Its totient is φ = 299265040.

The previous prime is 329311937. The next prime is 329311967. The reversal of 329311961 is 169113923.

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 329311961 - 2¹⁰ = 329310937 is a prime.

It is a Duffinian number.

It is not an unprimeable number, because it can be changed into a prime (329311967) 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, 55580 + ... + 61218.

It is an arithmetic number, because the mean of its divisors is an integer number (44922600).

Almost surely, 2^329311961 is an apocalyptic number.

It is an amenable number.

329311961 is a deficient number, since it is larger than the sum of its proper divisors (30068839).

329311961 is a wasteful number, since it uses less digits than its factorization.

329311961 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 10959.

The product of its digits is 8748, while the sum is 35.

The square root of 329311961 is about 18146.9545929889. The cubic root of 329311961 is about 690.5617220977.

The spelling of 329311961 in words is "three hundred twenty-nine million, three hundred eleven thousand, nine hundred sixty-one".