329234989 has 4 divisors (see below), whose sum is σ = 331206624. Its totient is φ = 327263356.

The previous prime is 329234987. The next prime is 329235001. The reversal of 329234989 is 989432923.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 329234989 - 2¹ = 329234987 is a prime.

It is a Smith number, since the sum of its digits (49) coincides with the sum of the digits of its prime factors. Since it is squarefree, it is also a hoax number.

It is an alternating number because its digits alternate between odd and even.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (329234987) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 985567 + ... + 985900.

It is an arithmetic number, because the mean of its divisors is an integer number (82801656).

Almost surely, 2^329234989 is an apocalyptic number.

It is an amenable number.

329234989 is a deficient number, since it is larger than the sum of its proper divisors (1971635).

329234989 is a wasteful number, since it uses less digits than its factorization.

329234989 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 1971634.

The product of its digits is 839808, while the sum is 49.

The square root of 329234989 is about 18144.8336724259. The cubic root of 329234989 is about 690.5079149026.

The spelling of 329234989 in words is "three hundred twenty-nine million, two hundred thirty-four thousand, nine hundred eighty-nine".